Home / 205,376.16-283,391.04-114,720.56

Finding the Fourth Proportional to 205,376.16, 283,391.04 and 114,720.56

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Solution

The fourth proportional to 205,376.16, 283,391.04 and 114,720.56 is: 158,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,376.16 : 283,391.04 = 114,720.56 : x
  2. Step 2: Convert to fraction form
    205,376.16/283,391.04 = 114,720.56/x
  3. Step 3: Cross multiply
    205,376.16x = 283,391.04 × 114,720.56
  4. Step 4: Simplify right side
    205,376.16x = 32,510,778,807.78
  5. Step 5: Solve for x
    x = 32,510,778,807.78/205,376.16
  6. Step 6: Final answer
    x = 158,298.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.