Home / 125,803.12-173,644.96-74,851.52

Finding the Fourth Proportional to 125,803.12, 173,644.96 and 74,851.52

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Solution

The fourth proportional to 125,803.12, 173,644.96 and 74,851.52 is: 103,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,803.12 : 173,644.96 = 74,851.52 : x
  2. Step 2: Convert to fraction form
    125,803.12/173,644.96 = 74,851.52/x
  3. Step 3: Cross multiply
    125,803.12x = 173,644.96 × 74,851.52
  4. Step 4: Simplify right side
    125,803.12x = 12,997,589,196.34
  5. Step 5: Solve for x
    x = 12,997,589,196.34/125,803.12
  6. Step 6: Final answer
    x = 103,316.91

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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.