Home / 127,368.24-191,079.96-38,628.55

Finding the Fourth Proportional to 127,368.24, 191,079.96 and 38,628.55

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Solution

The fourth proportional to 127,368.24, 191,079.96 and 38,628.55 is: 57,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368.24 : 191,079.96 = 38,628.55 : x
  2. Step 2: Convert to fraction form
    127,368.24/191,079.96 = 38,628.55/x
  3. Step 3: Cross multiply
    127,368.24x = 191,079.96 × 38,628.55
  4. Step 4: Simplify right side
    127,368.24x = 7,381,141,788.86
  5. Step 5: Solve for x
    x = 7,381,141,788.86/127,368.24
  6. Step 6: Final answer
    x = 57,951.20

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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.