Home / 157,244.33-216,940.20-89,221.91

Finding the Fourth Proportional to 157,244.33, 216,940.20 and 89,221.91

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Solution

The fourth proportional to 157,244.33, 216,940.20 and 89,221.91 is: 123,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,244.33 : 216,940.20 = 89,221.91 : x
  2. Step 2: Convert to fraction form
    157,244.33/216,940.20 = 89,221.91/x
  3. Step 3: Cross multiply
    157,244.33x = 216,940.20 × 89,221.91
  4. Step 4: Simplify right side
    157,244.33x = 19,355,818,553.67
  5. Step 5: Solve for x
    x = 19,355,818,553.67/157,244.33
  6. Step 6: Final answer
    x = 123,093.90

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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.