Home / 185,417.60-278,137.17-71,566.05

Finding the Fourth Proportional to 185,417.60, 278,137.17 and 71,566.05

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Solution

The fourth proportional to 185,417.60, 278,137.17 and 71,566.05 is: 107,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,417.60 : 278,137.17 = 71,566.05 : x
  2. Step 2: Convert to fraction form
    185,417.60/278,137.17 = 71,566.05/x
  3. Step 3: Cross multiply
    185,417.60x = 278,137.17 × 71,566.05
  4. Step 4: Simplify right side
    185,417.60x = 19,905,177,045.48
  5. Step 5: Solve for x
    x = 19,905,177,045.48/185,417.60
  6. Step 6: Final answer
    x = 107,353.22

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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.