Home / 220,581.47-304,402.40-125,088.17

Finding the Fourth Proportional to 220,581.47, 304,402.40 and 125,088.17

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Solution

The fourth proportional to 220,581.47, 304,402.40 and 125,088.17 is: 172,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,581.47 : 304,402.40 = 125,088.17 : x
  2. Step 2: Convert to fraction form
    220,581.47/304,402.40 = 125,088.17/x
  3. Step 3: Cross multiply
    220,581.47x = 304,402.40 × 125,088.17
  4. Step 4: Simplify right side
    220,581.47x = 38,077,137,012.16
  5. Step 5: Solve for x
    x = 38,077,137,012.16/220,581.47
  6. Step 6: Final answer
    x = 172,621.65

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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.