Home / 185,724.20-278,587.90-52,607.40

Finding the Fourth Proportional to 185,724.20, 278,587.90 and 52,607.40

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Solution

The fourth proportional to 185,724.20, 278,587.90 and 52,607.40 is: 78,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,724.20 : 278,587.90 = 52,607.40 : x
  2. Step 2: Convert to fraction form
    185,724.20/278,587.90 = 52,607.40/x
  3. Step 3: Cross multiply
    185,724.20x = 278,587.90 × 52,607.40
  4. Step 4: Simplify right side
    185,724.20x = 14,655,785,090.46
  5. Step 5: Solve for x
    x = 14,655,785,090.46/185,724.20
  6. Step 6: Final answer
    x = 78,911.55

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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.