Home / 156,818.07-216,401.99-88,833.69

Finding the Fourth Proportional to 156,818.07, 216,401.99 and 88,833.69

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Solution

The fourth proportional to 156,818.07, 216,401.99 and 88,833.69 is: 122,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,818.07 : 216,401.99 = 88,833.69 : x
  2. Step 2: Convert to fraction form
    156,818.07/216,401.99 = 88,833.69/x
  3. Step 3: Cross multiply
    156,818.07x = 216,401.99 × 88,833.69
  4. Step 4: Simplify right side
    156,818.07x = 19,223,786,850.87
  5. Step 5: Solve for x
    x = 19,223,786,850.87/156,818.07
  6. Step 6: Final answer
    x = 122,586.55

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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.