Home / 185,534.90-278,301.67-67,178.57

Finding the Fourth Proportional to 185,534.90, 278,301.67 and 67,178.57

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Solution

The fourth proportional to 185,534.90, 278,301.67 and 67,178.57 is: 100,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,534.90 : 278,301.67 = 67,178.57 : x
  2. Step 2: Convert to fraction form
    185,534.90/278,301.67 = 67,178.57/x
  3. Step 3: Cross multiply
    185,534.90x = 278,301.67 × 67,178.57
  4. Step 4: Simplify right side
    185,534.90x = 18,695,907,037.64
  5. Step 5: Solve for x
    x = 18,695,907,037.64/185,534.90
  6. Step 6: Final answer
    x = 100,767.60

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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.