Home / 99,155.13-148,449.29-92,870.24

Finding the Fourth Proportional to 99,155.13, 148,449.29 and 92,870.24

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Solution

The fourth proportional to 99,155.13, 148,449.29 and 92,870.24 is: 139,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,155.13 : 148,449.29 = 92,870.24 : x
  2. Step 2: Convert to fraction form
    99,155.13/148,449.29 = 92,870.24/x
  3. Step 3: Cross multiply
    99,155.13x = 148,449.29 × 92,870.24
  4. Step 4: Simplify right side
    99,155.13x = 13,786,521,190.13
  5. Step 5: Solve for x
    x = 13,786,521,190.13/99,155.13
  6. Step 6: Final answer
    x = 139,039.92

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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.