Home / 325,272.10-487,908.15-125,601.70

Finding the Fourth Proportional to 325,272.10, 487,908.15 and 125,601.70

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Solution

The fourth proportional to 325,272.10, 487,908.15 and 125,601.70 is: 188,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,272.10 : 487,908.15 = 125,601.70 : x
  2. Step 2: Convert to fraction form
    325,272.10/487,908.15 = 125,601.70/x
  3. Step 3: Cross multiply
    325,272.10x = 487,908.15 × 125,601.70
  4. Step 4: Simplify right side
    325,272.10x = 61,282,093,083.86
  5. Step 5: Solve for x
    x = 61,282,093,083.86/325,272.10
  6. Step 6: Final answer
    x = 188,402.55

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1.5x scale

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.