Home / 131,423.28-197,275.20-56,580.48

Finding the Fourth Proportional to 131,423.28, 197,275.20 and 56,580.48

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Solution

The fourth proportional to 131,423.28, 197,275.20 and 56,580.48 is: 84,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.28 : 197,275.20 = 56,580.48 : x
  2. Step 2: Convert to fraction form
    131,423.28/197,275.20 = 56,580.48/x
  3. Step 3: Cross multiply
    131,423.28x = 197,275.20 × 56,580.48
  4. Step 4: Simplify right side
    131,423.28x = 11,161,925,508.10
  5. Step 5: Solve for x
    x = 11,161,925,508.10/131,423.28
  6. Step 6: Final answer
    x = 84,931.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.