Home / 157,811.80-236,576.76-57,948.79

Finding the Fourth Proportional to 157,811.80, 236,576.76 and 57,948.79

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Solution

The fourth proportional to 157,811.80, 236,576.76 and 57,948.79 is: 86,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,811.80 : 236,576.76 = 57,948.79 : x
  2. Step 2: Convert to fraction form
    157,811.80/236,576.76 = 57,948.79/x
  3. Step 3: Cross multiply
    157,811.80x = 236,576.76 × 57,948.79
  4. Step 4: Simplify right side
    157,811.80x = 13,709,336,984.12
  5. Step 5: Solve for x
    x = 13,709,336,984.12/157,811.80
  6. Step 6: Final answer
    x = 86,871.43

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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.