Home / 165,724.80-248,587.20-54,902.40

Finding the Fourth Proportional to 165,724.80, 248,587.20 and 54,902.40

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Solution

The fourth proportional to 165,724.80, 248,587.20 and 54,902.40 is: 82,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,724.80 : 248,587.20 = 54,902.40 : x
  2. Step 2: Convert to fraction form
    165,724.80/248,587.20 = 54,902.40/x
  3. Step 3: Cross multiply
    165,724.80x = 248,587.20 × 54,902.40
  4. Step 4: Simplify right side
    165,724.80x = 13,648,033,889.28
  5. Step 5: Solve for x
    x = 13,648,033,889.28/165,724.80
  6. Step 6: Final answer
    x = 82,353.60

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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.