Home / 127,589.90-191,412.52-38,841.10

Finding the Fourth Proportional to 127,589.90, 191,412.52 and 38,841.10

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Solution

The fourth proportional to 127,589.90, 191,412.52 and 38,841.10 is: 58,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.90 : 191,412.52 = 38,841.10 : x
  2. Step 2: Convert to fraction form
    127,589.90/191,412.52 = 38,841.10/x
  3. Step 3: Cross multiply
    127,589.90x = 191,412.52 × 38,841.10
  4. Step 4: Simplify right side
    127,589.90x = 7,434,672,254.94
  5. Step 5: Solve for x
    x = 7,434,672,254.94/127,589.90
  6. Step 6: Final answer
    x = 58,270.07

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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.