Home / 185,552.28-278,290.14-90,685.08

Finding the Fourth Proportional to 185,552.28, 278,290.14 and 90,685.08

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Solution

The fourth proportional to 185,552.28, 278,290.14 and 90,685.08 is: 136,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,552.28 : 278,290.14 = 90,685.08 : x
  2. Step 2: Convert to fraction form
    185,552.28/278,290.14 = 90,685.08/x
  3. Step 3: Cross multiply
    185,552.28x = 278,290.14 × 90,685.08
  4. Step 4: Simplify right side
    185,552.28x = 25,236,763,609.11
  5. Step 5: Solve for x
    x = 25,236,763,609.11/185,552.28
  6. Step 6: Final answer
    x = 136,008.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.