Home / 205,943.55-284,219.60-115,298.34

Finding the Fourth Proportional to 205,943.55, 284,219.60 and 115,298.34

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Solution

The fourth proportional to 205,943.55, 284,219.60 and 115,298.34 is: 159,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,943.55 : 284,219.60 = 115,298.34 : x
  2. Step 2: Convert to fraction form
    205,943.55/284,219.60 = 115,298.34/x
  3. Step 3: Cross multiply
    205,943.55x = 284,219.60 × 115,298.34
  4. Step 4: Simplify right side
    205,943.55x = 32,770,047,498.97
  5. Step 5: Solve for x
    x = 32,770,047,498.97/205,943.55
  6. Step 6: Final answer
    x = 159,121.50

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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.