Home / 361,523.10-542,281.92-108,802.50

Finding the Fourth Proportional to 361,523.10, 542,281.92 and 108,802.50

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Solution

The fourth proportional to 361,523.10, 542,281.92 and 108,802.50 is: 163,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,523.10 : 542,281.92 = 108,802.50 : x
  2. Step 2: Convert to fraction form
    361,523.10/542,281.92 = 108,802.50/x
  3. Step 3: Cross multiply
    361,523.10x = 542,281.92 × 108,802.50
  4. Step 4: Simplify right side
    361,523.10x = 59,001,628,600.80
  5. Step 5: Solve for x
    x = 59,001,628,600.80/361,523.10
  6. Step 6: Final answer
    x = 163,202.93

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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.