Home / 136,531.36-204,766.32-48,979.36

Finding the Fourth Proportional to 136,531.36, 204,766.32 and 48,979.36

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Solution

The fourth proportional to 136,531.36, 204,766.32 and 48,979.36 is: 73,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,531.36 : 204,766.32 = 48,979.36 : x
  2. Step 2: Convert to fraction form
    136,531.36/204,766.32 = 48,979.36/x
  3. Step 3: Cross multiply
    136,531.36x = 204,766.32 × 48,979.36
  4. Step 4: Simplify right side
    136,531.36x = 10,029,323,303.16
  5. Step 5: Solve for x
    x = 10,029,323,303.16/136,531.36
  6. Step 6: Final answer
    x = 73,458.02

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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.