Home / 295,281.10-442,921.65-84,906.70

Finding the Fourth Proportional to 295,281.10, 442,921.65 and 84,906.70

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Solution

The fourth proportional to 295,281.10, 442,921.65 and 84,906.70 is: 127,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,281.10 : 442,921.65 = 84,906.70 : x
  2. Step 2: Convert to fraction form
    295,281.10/442,921.65 = 84,906.70/x
  3. Step 3: Cross multiply
    295,281.10x = 442,921.65 × 84,906.70
  4. Step 4: Simplify right side
    295,281.10x = 37,607,015,660.06
  5. Step 5: Solve for x
    x = 37,607,015,660.06/295,281.10
  6. Step 6: Final answer
    x = 127,360.05

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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.