Home / 156,255.76-215,631.06-94,981.65

Finding the Fourth Proportional to 156,255.76, 215,631.06 and 94,981.65

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Solution

The fourth proportional to 156,255.76, 215,631.06 and 94,981.65 is: 131,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,255.76 : 215,631.06 = 94,981.65 : x
  2. Step 2: Convert to fraction form
    156,255.76/215,631.06 = 94,981.65/x
  3. Step 3: Cross multiply
    156,255.76x = 215,631.06 × 94,981.65
  4. Step 4: Simplify right side
    156,255.76x = 20,480,994,149.22
  5. Step 5: Solve for x
    x = 20,480,994,149.22/156,255.76
  6. Step 6: Final answer
    x = 131,073.53

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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.