Home / 132,851.34-199,320.04-79,534.98

Finding the Fourth Proportional to 132,851.34, 199,320.04 and 79,534.98

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Solution

The fourth proportional to 132,851.34, 199,320.04 and 79,534.98 is: 119,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,851.34 : 199,320.04 = 79,534.98 : x
  2. Step 2: Convert to fraction form
    132,851.34/199,320.04 = 79,534.98/x
  3. Step 3: Cross multiply
    132,851.34x = 199,320.04 × 79,534.98
  4. Step 4: Simplify right side
    132,851.34x = 15,852,915,395.00
  5. Step 5: Solve for x
    x = 15,852,915,395.00/132,851.34
  6. Step 6: Final answer
    x = 119,328.23

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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.