Home / 127,528.20-191,073.60-83,132.10

Finding the Fourth Proportional to 127,528.20, 191,073.60 and 83,132.10

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Solution

The fourth proportional to 127,528.20, 191,073.60 and 83,132.10 is: 124,555.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528.20 : 191,073.60 = 83,132.10 : x
  2. Step 2: Convert to fraction form
    127,528.20/191,073.60 = 83,132.10/x
  3. Step 3: Cross multiply
    127,528.20x = 191,073.60 × 83,132.10
  4. Step 4: Simplify right side
    127,528.20x = 15,884,349,622.56
  5. Step 5: Solve for x
    x = 15,884,349,622.56/127,528.20
  6. Step 6: Final answer
    x = 124,555.59

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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.