Home / 165,721.60-248,582.40-95,543.20

Finding the Fourth Proportional to 165,721.60, 248,582.40 and 95,543.20

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Solution

The fourth proportional to 165,721.60, 248,582.40 and 95,543.20 is: 143,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,721.60 : 248,582.40 = 95,543.20 : x
  2. Step 2: Convert to fraction form
    165,721.60/248,582.40 = 95,543.20/x
  3. Step 3: Cross multiply
    165,721.60x = 248,582.40 × 95,543.20
  4. Step 4: Simplify right side
    165,721.60x = 23,750,357,959.68
  5. Step 5: Solve for x
    x = 23,750,357,959.68/165,721.60
  6. Step 6: Final answer
    x = 143,314.80

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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.