Home / 163,631.80-245,447.70-156,633.40

Finding the Fourth Proportional to 163,631.80, 245,447.70 and 156,633.40

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Solution

The fourth proportional to 163,631.80, 245,447.70 and 156,633.40 is: 234,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,631.80 : 245,447.70 = 156,633.40 : x
  2. Step 2: Convert to fraction form
    163,631.80/245,447.70 = 156,633.40/x
  3. Step 3: Cross multiply
    163,631.80x = 245,447.70 × 156,633.40
  4. Step 4: Simplify right side
    163,631.80x = 38,445,307,773.18
  5. Step 5: Solve for x
    x = 38,445,307,773.18/163,631.80
  6. Step 6: Final answer
    x = 234,950.10

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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.