Home / 187,835.85-259,132-124,262.19

Finding the Fourth Proportional to 187,835.85, 259,132 and 124,262.19

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Solution

The fourth proportional to 187,835.85, 259,132 and 124,262.19 is: 171,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,835.85 : 259,132 = 124,262.19 : x
  2. Step 2: Convert to fraction form
    187,835.85/259,132 = 124,262.19/x
  3. Step 3: Cross multiply
    187,835.85x = 259,132 × 124,262.19
  4. Step 4: Simplify right side
    187,835.85x = 32,200,309,819.08
  5. Step 5: Solve for x
    x = 32,200,309,819.08/187,835.85
  6. Step 6: Final answer
    x = 171,427.92

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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.