Home / 361,528.12-542,289.40-108,807.52

Finding the Fourth Proportional to 361,528.12, 542,289.40 and 108,807.52

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Solution

The fourth proportional to 361,528.12, 542,289.40 and 108,807.52 is: 163,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,528.12 : 542,289.40 = 108,807.52 : x
  2. Step 2: Convert to fraction form
    361,528.12/542,289.40 = 108,807.52/x
  3. Step 3: Cross multiply
    361,528.12x = 542,289.40 × 108,807.52
  4. Step 4: Simplify right side
    361,528.12x = 59,005,164,736.29
  5. Step 5: Solve for x
    x = 59,005,164,736.29/361,528.12
  6. Step 6: Final answer
    x = 163,210.44

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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.