Home / 187,670.50-258,985.98-101,629.52

Finding the Fourth Proportional to 187,670.50, 258,985.98 and 101,629.52

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Solution

The fourth proportional to 187,670.50, 258,985.98 and 101,629.52 is: 140,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,670.50 : 258,985.98 = 101,629.52 : x
  2. Step 2: Convert to fraction form
    187,670.50/258,985.98 = 101,629.52/x
  3. Step 3: Cross multiply
    187,670.50x = 258,985.98 × 101,629.52
  4. Step 4: Simplify right side
    187,670.50x = 26,320,620,834.13
  5. Step 5: Solve for x
    x = 26,320,620,834.13/187,670.50
  6. Step 6: Final answer
    x = 140,249.11

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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.