Home / 145,434.16-218,151.56-44,233.12

Finding the Fourth Proportional to 145,434.16, 218,151.56 and 44,233.12

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Solution

The fourth proportional to 145,434.16, 218,151.56 and 44,233.12 is: 66,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,434.16 : 218,151.56 = 44,233.12 : x
  2. Step 2: Convert to fraction form
    145,434.16/218,151.56 = 44,233.12/x
  3. Step 3: Cross multiply
    145,434.16x = 218,151.56 × 44,233.12
  4. Step 4: Simplify right side
    145,434.16x = 9,649,524,131.67
  5. Step 5: Solve for x
    x = 9,649,524,131.67/145,434.16
  6. Step 6: Final answer
    x = 66,349.78

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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.