Home / 165,025.20-247,537.80-40,366.20

Finding the Fourth Proportional to 165,025.20, 247,537.80 and 40,366.20

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Solution

The fourth proportional to 165,025.20, 247,537.80 and 40,366.20 is: 60,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,025.20 : 247,537.80 = 40,366.20 : x
  2. Step 2: Convert to fraction form
    165,025.20/247,537.80 = 40,366.20/x
  3. Step 3: Cross multiply
    165,025.20x = 247,537.80 × 40,366.20
  4. Step 4: Simplify right side
    165,025.20x = 9,992,160,342.36
  5. Step 5: Solve for x
    x = 9,992,160,342.36/165,025.20
  6. Step 6: Final answer
    x = 60,549.30

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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.