Home / 124,768.02-187,198.53-74,883.90

Finding the Fourth Proportional to 124,768.02, 187,198.53 and 74,883.90

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Solution

The fourth proportional to 124,768.02, 187,198.53 and 74,883.90 is: 112,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768.02 : 187,198.53 = 74,883.90 : x
  2. Step 2: Convert to fraction form
    124,768.02/187,198.53 = 74,883.90/x
  3. Step 3: Cross multiply
    124,768.02x = 187,198.53 × 74,883.90
  4. Step 4: Simplify right side
    124,768.02x = 14,018,156,000.67
  5. Step 5: Solve for x
    x = 14,018,156,000.67/124,768.02
  6. Step 6: Final answer
    x = 112,353.76

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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.