Home / 145,947.15-218,592.68-88,866.45

Finding the Fourth Proportional to 145,947.15, 218,592.68 and 88,866.45

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Solution

The fourth proportional to 145,947.15, 218,592.68 and 88,866.45 is: 133,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,947.15 : 218,592.68 = 88,866.45 : x
  2. Step 2: Convert to fraction form
    145,947.15/218,592.68 = 88,866.45/x
  3. Step 3: Cross multiply
    145,947.15x = 218,592.68 × 88,866.45
  4. Step 4: Simplify right side
    145,947.15x = 19,425,555,023.25
  5. Step 5: Solve for x
    x = 19,425,555,023.25/145,947.15
  6. Step 6: Final answer
    x = 133,099.93

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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.