Home / 187,856.06-259,244.50-101,817.79

Finding the Fourth Proportional to 187,856.06, 259,244.50 and 101,817.79

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Solution

The fourth proportional to 187,856.06, 259,244.50 and 101,817.79 is: 140,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,856.06 : 259,244.50 = 101,817.79 : x
  2. Step 2: Convert to fraction form
    187,856.06/259,244.50 = 101,817.79/x
  3. Step 3: Cross multiply
    187,856.06x = 259,244.50 × 101,817.79
  4. Step 4: Simplify right side
    187,856.06x = 26,395,702,059.66
  5. Step 5: Solve for x
    x = 26,395,702,059.66/187,856.06
  6. Step 6: Final answer
    x = 140,510.25

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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.