Home / 205,930.50-284,188.83-115,284.18

Finding the Fourth Proportional to 205,930.50, 284,188.83 and 115,284.18

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Solution

The fourth proportional to 205,930.50, 284,188.83 and 115,284.18 is: 159,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,930.50 : 284,188.83 = 115,284.18 : x
  2. Step 2: Convert to fraction form
    205,930.50/284,188.83 = 115,284.18/x
  3. Step 3: Cross multiply
    205,930.50x = 284,188.83 × 115,284.18
  4. Step 4: Simplify right side
    205,930.50x = 32,762,476,231.71
  5. Step 5: Solve for x
    x = 32,762,476,231.71/205,930.50
  6. Step 6: Final answer
    x = 159,094.82

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1.5x scale

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.