Home / 153,517.46-211,869.70-85,545.50

Finding the Fourth Proportional to 153,517.46, 211,869.70 and 85,545.50

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Solution

The fourth proportional to 153,517.46, 211,869.70 and 85,545.50 is: 118,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,517.46 : 211,869.70 = 85,545.50 : x
  2. Step 2: Convert to fraction form
    153,517.46/211,869.70 = 85,545.50/x
  3. Step 3: Cross multiply
    153,517.46x = 211,869.70 × 85,545.50
  4. Step 4: Simplify right side
    153,517.46x = 18,124,499,737.16
  5. Step 5: Solve for x
    x = 18,124,499,737.16/153,517.46
  6. Step 6: Final answer
    x = 118,061.49

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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.