Home / 127,532.66-191,305.76-38,779.34

Finding the Fourth Proportional to 127,532.66, 191,305.76 and 38,779.34

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Solution

The fourth proportional to 127,532.66, 191,305.76 and 38,779.34 is: 58,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,532.66 : 191,305.76 = 38,779.34 : x
  2. Step 2: Convert to fraction form
    127,532.66/191,305.76 = 38,779.34/x
  3. Step 3: Cross multiply
    127,532.66x = 191,305.76 × 38,779.34
  4. Step 4: Simplify right side
    127,532.66x = 7,418,709,960.57
  5. Step 5: Solve for x
    x = 7,418,709,960.57/127,532.66
  6. Step 6: Final answer
    x = 58,171.06

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1.5x scale

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.