Home / 145,523.15-218,330.28-92,545.50

Finding the Fourth Proportional to 145,523.15, 218,330.28 and 92,545.50

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Solution

The fourth proportional to 145,523.15, 218,330.28 and 92,545.50 is: 138,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523.15 : 218,330.28 = 92,545.50 : x
  2. Step 2: Convert to fraction form
    145,523.15/218,330.28 = 92,545.50/x
  3. Step 3: Cross multiply
    145,523.15x = 218,330.28 × 92,545.50
  4. Step 4: Simplify right side
    145,523.15x = 20,205,484,927.74
  5. Step 5: Solve for x
    x = 20,205,484,927.74/145,523.15
  6. Step 6: Final answer
    x = 138,847.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.