Home / 187,462.67-258,697.76-101,421.38

Finding the Fourth Proportional to 187,462.67, 258,697.76 and 101,421.38

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Solution

The fourth proportional to 187,462.67, 258,697.76 and 101,421.38 is: 139,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,462.67 : 258,697.76 = 101,421.38 : x
  2. Step 2: Convert to fraction form
    187,462.67/258,697.76 = 101,421.38/x
  3. Step 3: Cross multiply
    187,462.67x = 258,697.76 × 101,421.38
  4. Step 4: Simplify right side
    187,462.67x = 26,237,482,782.17
  5. Step 5: Solve for x
    x = 26,237,482,782.17/187,462.67
  6. Step 6: Final answer
    x = 139,961.11

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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.