Home / 157,666.05-217,481.85-112,358.55

Finding the Fourth Proportional to 157,666.05, 217,481.85 and 112,358.55

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Solution

The fourth proportional to 157,666.05, 217,481.85 and 112,358.55 is: 154,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,666.05 : 217,481.85 = 112,358.55 : x
  2. Step 2: Convert to fraction form
    157,666.05/217,481.85 = 112,358.55/x
  3. Step 3: Cross multiply
    157,666.05x = 217,481.85 × 112,358.55
  4. Step 4: Simplify right side
    157,666.05x = 24,435,945,317.32
  5. Step 5: Solve for x
    x = 24,435,945,317.32/157,666.05
  6. Step 6: Final answer
    x = 154,985.46

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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.