Home / 136,665.16-205,056.94-73,411.48

Finding the Fourth Proportional to 136,665.16, 205,056.94 and 73,411.48

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Solution

The fourth proportional to 136,665.16, 205,056.94 and 73,411.48 is: 110,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,665.16 : 205,056.94 = 73,411.48 : x
  2. Step 2: Convert to fraction form
    136,665.16/205,056.94 = 73,411.48/x
  3. Step 3: Cross multiply
    136,665.16x = 205,056.94 × 73,411.48
  4. Step 4: Simplify right side
    136,665.16x = 15,053,533,449.67
  5. Step 5: Solve for x
    x = 15,053,533,449.67/136,665.16
  6. Step 6: Final answer
    x = 110,149.02

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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.