Home / 171,102,403.60-256,653,605.40-130,791,619.60

Finding the Fourth Proportional to 171,102,403.60, 256,653,605.40 and 130,791,619.60

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Solution

The fourth proportional to 171,102,403.60, 256,653,605.40 and 130,791,619.60 is: 196,187,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,102,403.60 : 256,653,605.40 = 130,791,619.60 : x
  2. Step 2: Convert to fraction form
    171,102,403.60/256,653,605.40 = 130,791,619.60/x
  3. Step 3: Cross multiply
    171,102,403.60x = 256,653,605.40 × 130,791,619.60
  4. Step 4: Simplify right side
    171,102,403.60x = 33,568,140,726,445,304
  5. Step 5: Solve for x
    x = 33,568,140,726,445,304/171,102,403.60
  6. Step 6: Final answer
    x = 196,187,429.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.