Home / 186,836.47-257,840.57-101,958.19

Finding the Fourth Proportional to 186,836.47, 257,840.57 and 101,958.19

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Solution

The fourth proportional to 186,836.47, 257,840.57 and 101,958.19 is: 140,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,836.47 : 257,840.57 = 101,958.19 : x
  2. Step 2: Convert to fraction form
    186,836.47/257,840.57 = 101,958.19/x
  3. Step 3: Cross multiply
    186,836.47x = 257,840.57 × 101,958.19
  4. Step 4: Simplify right side
    186,836.47x = 26,288,957,825.77
  5. Step 5: Solve for x
    x = 26,288,957,825.77/186,836.47
  6. Step 6: Final answer
    x = 140,705.71

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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.