Home / 127,545.60-176,014.55-70,191.53

Finding the Fourth Proportional to 127,545.60, 176,014.55 and 70,191.53

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Solution

The fourth proportional to 127,545.60, 176,014.55 and 70,191.53 is: 96,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,545.60 : 176,014.55 = 70,191.53 : x
  2. Step 2: Convert to fraction form
    127,545.60/176,014.55 = 70,191.53/x
  3. Step 3: Cross multiply
    127,545.60x = 176,014.55 × 70,191.53
  4. Step 4: Simplify right side
    127,545.60x = 12,354,730,522.22
  5. Step 5: Solve for x
    x = 12,354,730,522.22/127,545.60
  6. Step 6: Final answer
    x = 96,865.20

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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.