Home / 424,868.11-637,082.55-125,310.47

Finding the Fourth Proportional to 424,868.11, 637,082.55 and 125,310.47

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Solution

The fourth proportional to 424,868.11, 637,082.55 and 125,310.47 is: 187,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,868.11 : 637,082.55 = 125,310.47 : x
  2. Step 2: Convert to fraction form
    424,868.11/637,082.55 = 125,310.47/x
  3. Step 3: Cross multiply
    424,868.11x = 637,082.55 × 125,310.47
  4. Step 4: Simplify right side
    424,868.11x = 79,833,110,583.89
  5. Step 5: Solve for x
    x = 79,833,110,583.89/424,868.11
  6. Step 6: Final answer
    x = 187,900.93

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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.