Home / 127,725.68-191,590.50-42,336.74

Finding the Fourth Proportional to 127,725.68, 191,590.50 and 42,336.74

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Solution

The fourth proportional to 127,725.68, 191,590.50 and 42,336.74 is: 63,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725.68 : 191,590.50 = 42,336.74 : x
  2. Step 2: Convert to fraction form
    127,725.68/191,590.50 = 42,336.74/x
  3. Step 3: Cross multiply
    127,725.68x = 191,590.50 × 42,336.74
  4. Step 4: Simplify right side
    127,725.68x = 8,111,317,184.97
  5. Step 5: Solve for x
    x = 8,111,317,184.97/127,725.68
  6. Step 6: Final answer
    x = 63,505.77

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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.