Home / 187,577.48-258,851.76-102,692.72

Finding the Fourth Proportional to 187,577.48, 258,851.76 and 102,692.72

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Solution

The fourth proportional to 187,577.48, 258,851.76 and 102,692.72 is: 141,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,577.48 : 258,851.76 = 102,692.72 : x
  2. Step 2: Convert to fraction form
    187,577.48/258,851.76 = 102,692.72/x
  3. Step 3: Cross multiply
    187,577.48x = 258,851.76 × 102,692.72
  4. Step 4: Simplify right side
    187,577.48x = 26,582,191,311.19
  5. Step 5: Solve for x
    x = 26,582,191,311.19/187,577.48
  6. Step 6: Final answer
    x = 141,713.13

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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.