Home / 99,154.13-148,447.79-92,869.24

Finding the Fourth Proportional to 99,154.13, 148,447.79 and 92,869.24

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Solution

The fourth proportional to 99,154.13, 148,447.79 and 92,869.24 is: 139,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,154.13 : 148,447.79 = 92,869.24 : x
  2. Step 2: Convert to fraction form
    99,154.13/148,447.79 = 92,869.24/x
  3. Step 3: Cross multiply
    99,154.13x = 148,447.79 × 92,869.24
  4. Step 4: Simplify right side
    99,154.13x = 13,786,233,298.03
  5. Step 5: Solve for x
    x = 13,786,233,298.03/99,154.13
  6. Step 6: Final answer
    x = 139,038.42

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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.