Home / 424,895.09-637,360.22-125,375.66

Finding the Fourth Proportional to 424,895.09, 637,360.22 and 125,375.66

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Solution

The fourth proportional to 424,895.09, 637,360.22 and 125,375.66 is: 188,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,895.09 : 637,360.22 = 125,375.66 : x
  2. Step 2: Convert to fraction form
    424,895.09/637,360.22 = 125,375.66/x
  3. Step 3: Cross multiply
    424,895.09x = 637,360.22 × 125,375.66
  4. Step 4: Simplify right side
    424,895.09x = 79,909,458,240.25
  5. Step 5: Solve for x
    x = 79,909,458,240.25/424,895.09
  6. Step 6: Final answer
    x = 188,068.68

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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.