Home / 157,161.05-216,886.95-96,766.54

Finding the Fourth Proportional to 157,161.05, 216,886.95 and 96,766.54

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Solution

The fourth proportional to 157,161.05, 216,886.95 and 96,766.54 is: 133,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,161.05 : 216,886.95 = 96,766.54 : x
  2. Step 2: Convert to fraction form
    157,161.05/216,886.95 = 96,766.54/x
  3. Step 3: Cross multiply
    157,161.05x = 216,886.95 × 96,766.54
  4. Step 4: Simplify right side
    157,161.05x = 20,987,399,722.65
  5. Step 5: Solve for x
    x = 20,987,399,722.65/157,161.05
  6. Step 6: Final answer
    x = 133,540.72

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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.