Home / 163,031.62-224,983.60-91,411.64

Finding the Fourth Proportional to 163,031.62, 224,983.60 and 91,411.64

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Solution

The fourth proportional to 163,031.62, 224,983.60 and 91,411.64 is: 126,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,031.62 : 224,983.60 = 91,411.64 : x
  2. Step 2: Convert to fraction form
    163,031.62/224,983.60 = 91,411.64/x
  3. Step 3: Cross multiply
    163,031.62x = 224,983.60 × 91,411.64
  4. Step 4: Simplify right side
    163,031.62x = 20,566,119,849.10
  5. Step 5: Solve for x
    x = 20,566,119,849.10/163,031.62
  6. Step 6: Final answer
    x = 126,148.04

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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.