Home / 127,734.90-176,288.03-70,380.11

Finding the Fourth Proportional to 127,734.90, 176,288.03 and 70,380.11

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Solution

The fourth proportional to 127,734.90, 176,288.03 and 70,380.11 is: 97,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,734.90 : 176,288.03 = 70,380.11 : x
  2. Step 2: Convert to fraction form
    127,734.90/176,288.03 = 70,380.11/x
  3. Step 3: Cross multiply
    127,734.90x = 176,288.03 × 70,380.11
  4. Step 4: Simplify right side
    127,734.90x = 12,407,170,943.08
  5. Step 5: Solve for x
    x = 12,407,170,943.08/127,734.90
  6. Step 6: Final answer
    x = 97,132.19

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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.