Home / 125,869.02-173,753.67-89,996.70

Finding the Fourth Proportional to 125,869.02, 173,753.67 and 89,996.70

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Solution

The fourth proportional to 125,869.02, 173,753.67 and 89,996.70 is: 124,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,869.02 : 173,753.67 = 89,996.70 : x
  2. Step 2: Convert to fraction form
    125,869.02/173,753.67 = 89,996.70/x
  3. Step 3: Cross multiply
    125,869.02x = 173,753.67 × 89,996.70
  4. Step 4: Simplify right side
    125,869.02x = 15,637,256,912.89
  5. Step 5: Solve for x
    x = 15,637,256,912.89/125,869.02
  6. Step 6: Final answer
    x = 124,234.36

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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.