Home / 127,115.92-175,420.65-70,527.30

Finding the Fourth Proportional to 127,115.92, 175,420.65 and 70,527.30

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Solution

The fourth proportional to 127,115.92, 175,420.65 and 70,527.30 is: 97,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.92 : 175,420.65 = 70,527.30 : x
  2. Step 2: Convert to fraction form
    127,115.92/175,420.65 = 70,527.30/x
  3. Step 3: Cross multiply
    127,115.92x = 175,420.65 × 70,527.30
  4. Step 4: Simplify right side
    127,115.92x = 12,371,944,808.75
  5. Step 5: Solve for x
    x = 12,371,944,808.75/127,115.92
  6. Step 6: Final answer
    x = 97,328.05

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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.