Home / 132,732.16-199,184.64-122,053.12

Finding the Fourth Proportional to 132,732.16, 199,184.64 and 122,053.12

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Solution

The fourth proportional to 132,732.16, 199,184.64 and 122,053.12 is: 183,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,732.16 : 199,184.64 = 122,053.12 : x
  2. Step 2: Convert to fraction form
    132,732.16/199,184.64 = 122,053.12/x
  3. Step 3: Cross multiply
    132,732.16x = 199,184.64 × 122,053.12
  4. Step 4: Simplify right side
    132,732.16x = 24,311,106,768.08
  5. Step 5: Solve for x
    x = 24,311,106,768.08/132,732.16
  6. Step 6: Final answer
    x = 183,159.13

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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.