Home / 99,416.72-149,374.19-93,438.00

Finding the Fourth Proportional to 99,416.72, 149,374.19 and 93,438.00

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Solution

The fourth proportional to 99,416.72, 149,374.19 and 93,438.00 is: 140,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,416.72 : 149,374.19 = 93,438.00 : x
  2. Step 2: Convert to fraction form
    99,416.72/149,374.19 = 93,438.00/x
  3. Step 3: Cross multiply
    99,416.72x = 149,374.19 × 93,438.00
  4. Step 4: Simplify right side
    99,416.72x = 13,957,225,471.47
  5. Step 5: Solve for x
    x = 13,957,225,471.47/99,416.72
  6. Step 6: Final answer
    x = 140,391.14

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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.