Home / 131,322.60-197,214.30-127,175.40

Finding the Fourth Proportional to 131,322.60, 197,214.30 and 127,175.40

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Solution

The fourth proportional to 131,322.60, 197,214.30 and 127,175.40 is: 190,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,322.60 : 197,214.30 = 127,175.40 : x
  2. Step 2: Convert to fraction form
    131,322.60/197,214.30 = 127,175.40/x
  3. Step 3: Cross multiply
    131,322.60x = 197,214.30 × 127,175.40
  4. Step 4: Simplify right side
    131,322.60x = 25,080,807,488.22
  5. Step 5: Solve for x
    x = 25,080,807,488.22/131,322.60
  6. Step 6: Final answer
    x = 190,986.22

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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.