Home / 295,288.10-442,932.15-84,913.70

Finding the Fourth Proportional to 295,288.10, 442,932.15 and 84,913.70

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Solution

The fourth proportional to 295,288.10, 442,932.15 and 84,913.70 is: 127,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,288.10 : 442,932.15 = 84,913.70 : x
  2. Step 2: Convert to fraction form
    295,288.10/442,932.15 = 84,913.70/x
  3. Step 3: Cross multiply
    295,288.10x = 442,932.15 × 84,913.70
  4. Step 4: Simplify right side
    295,288.10x = 37,611,007,705.46
  5. Step 5: Solve for x
    x = 37,611,007,705.46/295,288.10
  6. Step 6: Final answer
    x = 127,370.55

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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.