Home / 157,793.10-217,756.22-86,175.23

Finding the Fourth Proportional to 157,793.10, 217,756.22 and 86,175.23

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Solution

The fourth proportional to 157,793.10, 217,756.22 and 86,175.23 is: 118,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,793.10 : 217,756.22 = 86,175.23 : x
  2. Step 2: Convert to fraction form
    157,793.10/217,756.22 = 86,175.23/x
  3. Step 3: Cross multiply
    157,793.10x = 217,756.22 × 86,175.23
  4. Step 4: Simplify right side
    157,793.10x = 18,765,192,455.95
  5. Step 5: Solve for x
    x = 18,765,192,455.95/157,793.10
  6. Step 6: Final answer
    x = 118,922.77

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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.