Home / 186,780.22-257,758.05-101,898.70

Finding the Fourth Proportional to 186,780.22, 257,758.05 and 101,898.70

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Solution

The fourth proportional to 186,780.22, 257,758.05 and 101,898.70 is: 140,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,780.22 : 257,758.05 = 101,898.70 : x
  2. Step 2: Convert to fraction form
    186,780.22/257,758.05 = 101,898.70/x
  3. Step 3: Cross multiply
    186,780.22x = 257,758.05 × 101,898.70
  4. Step 4: Simplify right side
    186,780.22x = 26,265,210,209.54
  5. Step 5: Solve for x
    x = 26,265,210,209.54/186,780.22
  6. Step 6: Final answer
    x = 140,620.94

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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.