Home / 173,188.80-239,045.76-112,908.96

Finding the Fourth Proportional to 173,188.80, 239,045.76 and 112,908.96

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Solution

The fourth proportional to 173,188.80, 239,045.76 and 112,908.96 is: 155,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,188.80 : 239,045.76 = 112,908.96 : x
  2. Step 2: Convert to fraction form
    173,188.80/239,045.76 = 112,908.96/x
  3. Step 3: Cross multiply
    173,188.80x = 239,045.76 × 112,908.96
  4. Step 4: Simplify right side
    173,188.80x = 26,990,408,154.01
  5. Step 5: Solve for x
    x = 26,990,408,154.01/173,188.80
  6. Step 6: Final answer
    x = 155,843.84

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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.