Home / 162,497.20-224,244.56-90,876.40

Finding the Fourth Proportional to 162,497.20, 224,244.56 and 90,876.40

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Solution

The fourth proportional to 162,497.20, 224,244.56 and 90,876.40 is: 125,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,497.20 : 224,244.56 = 90,876.40 : x
  2. Step 2: Convert to fraction form
    162,497.20/224,244.56 = 90,876.40/x
  3. Step 3: Cross multiply
    162,497.20x = 224,244.56 × 90,876.40
  4. Step 4: Simplify right side
    162,497.20x = 20,378,538,332.38
  5. Step 5: Solve for x
    x = 20,378,538,332.38/162,497.20
  6. Step 6: Final answer
    x = 125,408.55

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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.