Home / 112,936.98-169,616.08-99,432.92

Finding the Fourth Proportional to 112,936.98, 169,616.08 and 99,432.92

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Solution

The fourth proportional to 112,936.98, 169,616.08 and 99,432.92 is: 149,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,936.98 : 169,616.08 = 99,432.92 : x
  2. Step 2: Convert to fraction form
    112,936.98/169,616.08 = 99,432.92/x
  3. Step 3: Cross multiply
    112,936.98x = 169,616.08 × 99,432.92
  4. Step 4: Simplify right side
    112,936.98x = 16,865,421,148.28
  5. Step 5: Solve for x
    x = 16,865,421,148.28/112,936.98
  6. Step 6: Final answer
    x = 149,334.79

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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.