Home / 157,922.89-217,933.69-86,302.91

Finding the Fourth Proportional to 157,922.89, 217,933.69 and 86,302.91

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Solution

The fourth proportional to 157,922.89, 217,933.69 and 86,302.91 is: 119,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,922.89 : 217,933.69 = 86,302.91 : x
  2. Step 2: Convert to fraction form
    157,922.89/217,933.69 = 86,302.91/x
  3. Step 3: Cross multiply
    157,922.89x = 217,933.69 × 86,302.91
  4. Step 4: Simplify right side
    157,922.89x = 18,808,311,202.52
  5. Step 5: Solve for x
    x = 18,808,311,202.52/157,922.89
  6. Step 6: Final answer
    x = 119,098.07

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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.