Home / 186,538.39-257,428.44-101,660.92

Finding the Fourth Proportional to 186,538.39, 257,428.44 and 101,660.92

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Solution

The fourth proportional to 186,538.39, 257,428.44 and 101,660.92 is: 140,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,538.39 : 257,428.44 = 101,660.92 : x
  2. Step 2: Convert to fraction form
    186,538.39/257,428.44 = 101,660.92/x
  3. Step 3: Cross multiply
    186,538.39x = 257,428.44 × 101,660.92
  4. Step 4: Simplify right side
    186,538.39x = 26,170,412,044.56
  5. Step 5: Solve for x
    x = 26,170,412,044.56/186,538.39
  6. Step 6: Final answer
    x = 140,295.05

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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.