Home / 187,740.60-259,082.28-101,699.76

Finding the Fourth Proportional to 187,740.60, 259,082.28 and 101,699.76

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Solution

The fourth proportional to 187,740.60, 259,082.28 and 101,699.76 is: 140,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,740.60 : 259,082.28 = 101,699.76 : x
  2. Step 2: Convert to fraction form
    187,740.60/259,082.28 = 101,699.76/x
  3. Step 3: Cross multiply
    187,740.60x = 259,082.28 × 101,699.76
  4. Step 4: Simplify right side
    187,740.60x = 26,348,605,696.25
  5. Step 5: Solve for x
    x = 26,348,605,696.25/187,740.60
  6. Step 6: Final answer
    x = 140,345.81

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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.