Home / 127,589.52-191,411.96-38,840.72

Finding the Fourth Proportional to 127,589.52, 191,411.96 and 38,840.72

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Solution

The fourth proportional to 127,589.52, 191,411.96 and 38,840.72 is: 58,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.52 : 191,411.96 = 38,840.72 : x
  2. Step 2: Convert to fraction form
    127,589.52/191,411.96 = 38,840.72/x
  3. Step 3: Cross multiply
    127,589.52x = 191,411.96 × 38,840.72
  4. Step 4: Simplify right side
    127,589.52x = 7,434,578,627.34
  5. Step 5: Solve for x
    x = 7,434,578,627.34/127,589.52
  6. Step 6: Final answer
    x = 58,269.51

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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.