Home / 230,176.80-345,237.12-61,709.76

Finding the Fourth Proportional to 230,176.80, 345,237.12 and 61,709.76

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Solution

The fourth proportional to 230,176.80, 345,237.12 and 61,709.76 is: 92,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,176.80 : 345,237.12 = 61,709.76 : x
  2. Step 2: Convert to fraction form
    230,176.80/345,237.12 = 61,709.76/x
  3. Step 3: Cross multiply
    230,176.80x = 345,237.12 × 61,709.76
  4. Step 4: Simplify right side
    230,176.80x = 21,304,499,818.29
  5. Step 5: Solve for x
    x = 21,304,499,818.29/230,176.80
  6. Step 6: Final answer
    x = 92,557.11

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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.