Home / 136,443.40-204,665.10-124,633.60

Finding the Fourth Proportional to 136,443.40, 204,665.10 and 124,633.60

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Solution

The fourth proportional to 136,443.40, 204,665.10 and 124,633.60 is: 186,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,443.40 : 204,665.10 = 124,633.60 : x
  2. Step 2: Convert to fraction form
    136,443.40/204,665.10 = 124,633.60/x
  3. Step 3: Cross multiply
    136,443.40x = 204,665.10 × 124,633.60
  4. Step 4: Simplify right side
    136,443.40x = 25,508,148,207.36
  5. Step 5: Solve for x
    x = 25,508,148,207.36/136,443.40
  6. Step 6: Final answer
    x = 186,950.40

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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.