Home / 215,204.64-296,948.16-119,711.04

Finding the Fourth Proportional to 215,204.64, 296,948.16 and 119,711.04

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Solution

The fourth proportional to 215,204.64, 296,948.16 and 119,711.04 is: 165,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,204.64 : 296,948.16 = 119,711.04 : x
  2. Step 2: Convert to fraction form
    215,204.64/296,948.16 = 119,711.04/x
  3. Step 3: Cross multiply
    215,204.64x = 296,948.16 × 119,711.04
  4. Step 4: Simplify right side
    215,204.64x = 35,547,973,059.69
  5. Step 5: Solve for x
    x = 35,547,973,059.69/215,204.64
  6. Step 6: Final answer
    x = 165,182.19

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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.