Home / 127,132.08-175,507.60-89,574

Finding the Fourth Proportional to 127,132.08, 175,507.60 and 89,574

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Solution

The fourth proportional to 127,132.08, 175,507.60 and 89,574 is: 123,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,132.08 : 175,507.60 = 89,574 : x
  2. Step 2: Convert to fraction form
    127,132.08/175,507.60 = 89,574/x
  3. Step 3: Cross multiply
    127,132.08x = 175,507.60 × 89,574
  4. Step 4: Simplify right side
    127,132.08x = 15,720,917,762.40
  5. Step 5: Solve for x
    x = 15,720,917,762.40/127,132.08
  6. Step 6: Final answer
    x = 123,658.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.