Home / 144,535.15-216,678.14-55,850.88

Finding the Fourth Proportional to 144,535.15, 216,678.14 and 55,850.88

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Solution

The fourth proportional to 144,535.15, 216,678.14 and 55,850.88 is: 83,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,535.15 : 216,678.14 = 55,850.88 : x
  2. Step 2: Convert to fraction form
    144,535.15/216,678.14 = 55,850.88/x
  3. Step 3: Cross multiply
    144,535.15x = 216,678.14 × 55,850.88
  4. Step 4: Simplify right side
    144,535.15x = 12,101,665,538.49
  5. Step 5: Solve for x
    x = 12,101,665,538.49/144,535.15
  6. Step 6: Final answer
    x = 83,728.18

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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.