Home / 229,555.28-316,769.76-143,552.85

Finding the Fourth Proportional to 229,555.28, 316,769.76 and 143,552.85

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Solution

The fourth proportional to 229,555.28, 316,769.76 and 143,552.85 is: 198,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,555.28 : 316,769.76 = 143,552.85 : x
  2. Step 2: Convert to fraction form
    229,555.28/316,769.76 = 143,552.85/x
  3. Step 3: Cross multiply
    229,555.28x = 316,769.76 × 143,552.85
  4. Step 4: Simplify right side
    229,555.28x = 45,473,201,841.82
  5. Step 5: Solve for x
    x = 45,473,201,841.82/229,555.28
  6. Step 6: Final answer
    x = 198,092.60

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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.