Home / 222,715.28-307,274.76-125,909.78

Finding the Fourth Proportional to 222,715.28, 307,274.76 and 125,909.78

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Solution

The fourth proportional to 222,715.28, 307,274.76 and 125,909.78 is: 173,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,715.28 : 307,274.76 = 125,909.78 : x
  2. Step 2: Convert to fraction form
    222,715.28/307,274.76 = 125,909.78/x
  3. Step 3: Cross multiply
    222,715.28x = 307,274.76 × 125,909.78
  4. Step 4: Simplify right side
    222,715.28x = 38,688,897,431.15
  5. Step 5: Solve for x
    x = 38,688,897,431.15/222,715.28
  6. Step 6: Final answer
    x = 173,714.61

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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.