Home / 205,000.16-282,899.76-115,575.52

Finding the Fourth Proportional to 205,000.16, 282,899.76 and 115,575.52

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Solution

The fourth proportional to 205,000.16, 282,899.76 and 115,575.52 is: 159,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,000.16 : 282,899.76 = 115,575.52 : x
  2. Step 2: Convert to fraction form
    205,000.16/282,899.76 = 115,575.52/x
  3. Step 3: Cross multiply
    205,000.16x = 282,899.76 × 115,575.52
  4. Step 4: Simplify right side
    205,000.16x = 32,696,286,869.88
  5. Step 5: Solve for x
    x = 32,696,286,869.88/205,000.16
  6. Step 6: Final answer
    x = 159,493.96

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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.