Home / 127,117.11-175,419.84-70,528.71

Finding the Fourth Proportional to 127,117.11, 175,419.84 and 70,528.71

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Solution

The fourth proportional to 127,117.11, 175,419.84 and 70,528.71 is: 97,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.11 : 175,419.84 = 70,528.71 : x
  2. Step 2: Convert to fraction form
    127,117.11/175,419.84 = 70,528.71/x
  3. Step 3: Cross multiply
    127,117.11x = 175,419.84 × 70,528.71
  4. Step 4: Simplify right side
    127,117.11x = 12,372,135,023.61
  5. Step 5: Solve for x
    x = 12,372,135,023.61/127,117.11
  6. Step 6: Final answer
    x = 97,328.64

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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.