Home / 229,545.98-316,765.86-126,180.51

Finding the Fourth Proportional to 229,545.98, 316,765.86 and 126,180.51

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Solution

The fourth proportional to 229,545.98, 316,765.86 and 126,180.51 is: 174,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,545.98 : 316,765.86 = 126,180.51 : x
  2. Step 2: Convert to fraction form
    229,545.98/316,765.86 = 126,180.51/x
  3. Step 3: Cross multiply
    229,545.98x = 316,765.86 × 126,180.51
  4. Step 4: Simplify right side
    229,545.98x = 39,969,677,765.39
  5. Step 5: Solve for x
    x = 39,969,677,765.39/229,545.98
  6. Step 6: Final answer
    x = 174,124.93

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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.