Home / 295,280.90-442,921.35-117,815.30

Finding the Fourth Proportional to 295,280.90, 442,921.35 and 117,815.30

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Solution

The fourth proportional to 295,280.90, 442,921.35 and 117,815.30 is: 176,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,280.90 : 442,921.35 = 117,815.30 : x
  2. Step 2: Convert to fraction form
    295,280.90/442,921.35 = 117,815.30/x
  3. Step 3: Cross multiply
    295,280.90x = 442,921.35 × 117,815.30
  4. Step 4: Simplify right side
    295,280.90x = 52,182,911,726.66
  5. Step 5: Solve for x
    x = 52,182,911,726.66/295,280.90
  6. Step 6: Final answer
    x = 176,722.95

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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.