Home / 99,162.24-136,897.20-76,451.64

Finding the Fourth Proportional to 99,162.24, 136,897.20 and 76,451.64

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Solution

The fourth proportional to 99,162.24, 136,897.20 and 76,451.64 is: 105,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,162.24 : 136,897.20 = 76,451.64 : x
  2. Step 2: Convert to fraction form
    99,162.24/136,897.20 = 76,451.64/x
  3. Step 3: Cross multiply
    99,162.24x = 136,897.20 × 76,451.64
  4. Step 4: Simplify right side
    99,162.24x = 10,466,015,451.41
  5. Step 5: Solve for x
    x = 10,466,015,451.41/99,162.24
  6. Step 6: Final answer
    x = 105,544.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.