Home / 187,445.13-258,674.27-102,562.19

Finding the Fourth Proportional to 187,445.13, 258,674.27 and 102,562.19

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Solution

The fourth proportional to 187,445.13, 258,674.27 and 102,562.19 is: 141,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,445.13 : 258,674.27 = 102,562.19 : x
  2. Step 2: Convert to fraction form
    187,445.13/258,674.27 = 102,562.19/x
  3. Step 3: Cross multiply
    187,445.13x = 258,674.27 × 102,562.19
  4. Step 4: Simplify right side
    187,445.13x = 26,530,199,627.85
  5. Step 5: Solve for x
    x = 26,530,199,627.85/187,445.13
  6. Step 6: Final answer
    x = 141,535.82

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1.5x scale

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.