Home / 158,640.59-237,803.20-79,513.31

Finding the Fourth Proportional to 158,640.59, 237,803.20 and 79,513.31

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Solution

The fourth proportional to 158,640.59, 237,803.20 and 79,513.31 is: 119,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,640.59 : 237,803.20 = 79,513.31 : x
  2. Step 2: Convert to fraction form
    158,640.59/237,803.20 = 79,513.31/x
  3. Step 3: Cross multiply
    158,640.59x = 237,803.20 × 79,513.31
  4. Step 4: Simplify right side
    158,640.59x = 18,908,519,560.59
  5. Step 5: Solve for x
    x = 18,908,519,560.59/158,640.59
  6. Step 6: Final answer
    x = 119,190.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.