Home / 192,043.70-288,065.55-122,002.10

Finding the Fourth Proportional to 192,043.70, 288,065.55 and 122,002.10

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Solution

The fourth proportional to 192,043.70, 288,065.55 and 122,002.10 is: 183,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,043.70 : 288,065.55 = 122,002.10 : x
  2. Step 2: Convert to fraction form
    192,043.70/288,065.55 = 122,002.10/x
  3. Step 3: Cross multiply
    192,043.70x = 288,065.55 × 122,002.10
  4. Step 4: Simplify right side
    192,043.70x = 35,144,602,037.66
  5. Step 5: Solve for x
    x = 35,144,602,037.66/192,043.70
  6. Step 6: Final answer
    x = 183,003.15

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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.