Home / 358,789.12-538,200.96-158,894.08

Finding the Fourth Proportional to 358,789.12, 538,200.96 and 158,894.08

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Solution

The fourth proportional to 358,789.12, 538,200.96 and 158,894.08 is: 238,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,789.12 : 538,200.96 = 158,894.08 : x
  2. Step 2: Convert to fraction form
    358,789.12/538,200.96 = 158,894.08/x
  3. Step 3: Cross multiply
    358,789.12x = 538,200.96 × 158,894.08
  4. Step 4: Simplify right side
    358,789.12x = 85,516,946,394.32
  5. Step 5: Solve for x
    x = 85,516,946,394.32/358,789.12
  6. Step 6: Final answer
    x = 238,348.77

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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.