Home / 187,445.16-258,674.04-102,562.20

Finding the Fourth Proportional to 187,445.16, 258,674.04 and 102,562.20

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Solution

The fourth proportional to 187,445.16, 258,674.04 and 102,562.20 is: 141,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,445.16 : 258,674.04 = 102,562.20 : x
  2. Step 2: Convert to fraction form
    187,445.16/258,674.04 = 102,562.20/x
  3. Step 3: Cross multiply
    187,445.16x = 258,674.04 × 102,562.20
  4. Step 4: Simplify right side
    187,445.16x = 26,530,178,625.29
  5. Step 5: Solve for x
    x = 26,530,178,625.29/187,445.16
  6. Step 6: Final answer
    x = 141,535.68

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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.