Home / 127,115.68-175,419.66-70,526.92

Finding the Fourth Proportional to 127,115.68, 175,419.66 and 70,526.92

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Solution

The fourth proportional to 127,115.68, 175,419.66 and 70,526.92 is: 97,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.68 : 175,419.66 = 70,526.92 : x
  2. Step 2: Convert to fraction form
    127,115.68/175,419.66 = 70,526.92/x
  3. Step 3: Cross multiply
    127,115.68x = 175,419.66 × 70,526.92
  4. Step 4: Simplify right side
    127,115.68x = 12,371,808,327.25
  5. Step 5: Solve for x
    x = 12,371,808,327.25/127,115.68
  6. Step 6: Final answer
    x = 97,327.16

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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.