Home / 147,179.60-220,802.31-53,685.35

Finding the Fourth Proportional to 147,179.60, 220,802.31 and 53,685.35

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Solution

The fourth proportional to 147,179.60, 220,802.31 and 53,685.35 is: 80,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,179.60 : 220,802.31 = 53,685.35 : x
  2. Step 2: Convert to fraction form
    147,179.60/220,802.31 = 53,685.35/x
  3. Step 3: Cross multiply
    147,179.60x = 220,802.31 × 53,685.35
  4. Step 4: Simplify right side
    147,179.60x = 11,853,849,293.16
  5. Step 5: Solve for x
    x = 11,853,849,293.16/147,179.60
  6. Step 6: Final answer
    x = 80,540.03

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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.