Home / 295,947.03-408,406.39-159,981.08

Finding the Fourth Proportional to 295,947.03, 408,406.39 and 159,981.08

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Solution

The fourth proportional to 295,947.03, 408,406.39 and 159,981.08 is: 220,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,947.03 : 408,406.39 = 159,981.08 : x
  2. Step 2: Convert to fraction form
    295,947.03/408,406.39 = 159,981.08/x
  3. Step 3: Cross multiply
    295,947.03x = 408,406.39 × 159,981.08
  4. Step 4: Simplify right side
    295,947.03x = 65,337,292,909.12
  5. Step 5: Solve for x
    x = 65,337,292,909.12/295,947.03
  6. Step 6: Final answer
    x = 220,773.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.