Home / 145,934.55-218,772.63-57,251.70

Finding the Fourth Proportional to 145,934.55, 218,772.63 and 57,251.70

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Solution

The fourth proportional to 145,934.55, 218,772.63 and 57,251.70 is: 85,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,934.55 : 218,772.63 = 57,251.70 : x
  2. Step 2: Convert to fraction form
    145,934.55/218,772.63 = 57,251.70/x
  3. Step 3: Cross multiply
    145,934.55x = 218,772.63 × 57,251.70
  4. Step 4: Simplify right side
    145,934.55x = 12,525,104,980.97
  5. Step 5: Solve for x
    x = 12,525,104,980.97/145,934.55
  6. Step 6: Final answer
    x = 85,826.87

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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.