Home / 424,895.06-637,360.17-125,375.65

Finding the Fourth Proportional to 424,895.06, 637,360.17 and 125,375.65

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Solution

The fourth proportional to 424,895.06, 637,360.17 and 125,375.65 is: 188,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,895.06 : 637,360.17 = 125,375.65 : x
  2. Step 2: Convert to fraction form
    424,895.06/637,360.17 = 125,375.65/x
  3. Step 3: Cross multiply
    424,895.06x = 637,360.17 × 125,375.65
  4. Step 4: Simplify right side
    424,895.06x = 79,909,445,597.86
  5. Step 5: Solve for x
    x = 79,909,445,597.86/424,895.06
  6. Step 6: Final answer
    x = 188,068.66

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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.