Home / 220,567.92-304,387.20-125,072.64

Finding the Fourth Proportional to 220,567.92, 304,387.20 and 125,072.64

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Solution

The fourth proportional to 220,567.92, 304,387.20 and 125,072.64 is: 172,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,567.92 : 304,387.20 = 125,072.64 : x
  2. Step 2: Convert to fraction form
    220,567.92/304,387.20 = 125,072.64/x
  3. Step 3: Cross multiply
    220,567.92x = 304,387.20 × 125,072.64
  4. Step 4: Simplify right side
    220,567.92x = 38,070,510,686.21
  5. Step 5: Solve for x
    x = 38,070,510,686.21/220,567.92
  6. Step 6: Final answer
    x = 172,602.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.