Home / 185,616.40-278,424.60-154,512.40

Finding the Fourth Proportional to 185,616.40, 278,424.60 and 154,512.40

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Solution

The fourth proportional to 185,616.40, 278,424.60 and 154,512.40 is: 231,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,616.40 : 278,424.60 = 154,512.40 : x
  2. Step 2: Convert to fraction form
    185,616.40/278,424.60 = 154,512.40/x
  3. Step 3: Cross multiply
    185,616.40x = 278,424.60 × 154,512.40
  4. Step 4: Simplify right side
    185,616.40x = 43,020,053,165.04
  5. Step 5: Solve for x
    x = 43,020,053,165.04/185,616.40
  6. Step 6: Final answer
    x = 231,768.60

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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.