Home / 316,742.50-475,160.07-92,073.74

Finding the Fourth Proportional to 316,742.50, 475,160.07 and 92,073.74

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Solution

The fourth proportional to 316,742.50, 475,160.07 and 92,073.74 is: 138,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,742.50 : 475,160.07 = 92,073.74 : x
  2. Step 2: Convert to fraction form
    316,742.50/475,160.07 = 92,073.74/x
  3. Step 3: Cross multiply
    316,742.50x = 475,160.07 × 92,073.74
  4. Step 4: Simplify right side
    316,742.50x = 43,749,762,713.04
  5. Step 5: Solve for x
    x = 43,749,762,713.04/316,742.50
  6. Step 6: Final answer
    x = 138,124.07

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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.