Home / 205,853.53-284,077.83-115,209.49

Finding the Fourth Proportional to 205,853.53, 284,077.83 and 115,209.49

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Solution

The fourth proportional to 205,853.53, 284,077.83 and 115,209.49 is: 158,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,853.53 : 284,077.83 = 115,209.49 : x
  2. Step 2: Convert to fraction form
    205,853.53/284,077.83 = 115,209.49/x
  3. Step 3: Cross multiply
    205,853.53x = 284,077.83 × 115,209.49
  4. Step 4: Simplify right side
    205,853.53x = 32,728,460,628.36
  5. Step 5: Solve for x
    x = 32,728,460,628.36/205,853.53
  6. Step 6: Final answer
    x = 158,989.07

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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.