Home / 205,868.59-284,033.89-115,210.15

Finding the Fourth Proportional to 205,868.59, 284,033.89 and 115,210.15

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Solution

The fourth proportional to 205,868.59, 284,033.89 and 115,210.15 is: 158,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,868.59 : 284,033.89 = 115,210.15 : x
  2. Step 2: Convert to fraction form
    205,868.59/284,033.89 = 115,210.15/x
  3. Step 3: Cross multiply
    205,868.59x = 284,033.89 × 115,210.15
  4. Step 4: Simplify right side
    205,868.59x = 32,723,585,651.81
  5. Step 5: Solve for x
    x = 32,723,585,651.81/205,868.59
  6. Step 6: Final answer
    x = 158,953.76

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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.