Home / 215,209.28-296,967.96-124,547.28

Finding the Fourth Proportional to 215,209.28, 296,967.96 and 124,547.28

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Solution

The fourth proportional to 215,209.28, 296,967.96 and 124,547.28 is: 171,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,209.28 : 296,967.96 = 124,547.28 : x
  2. Step 2: Convert to fraction form
    215,209.28/296,967.96 = 124,547.28/x
  3. Step 3: Cross multiply
    215,209.28x = 296,967.96 × 124,547.28
  4. Step 4: Simplify right side
    215,209.28x = 36,986,551,665.15
  5. Step 5: Solve for x
    x = 36,986,551,665.15/215,209.28
  6. Step 6: Final answer
    x = 171,863.18

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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.