Home / 205,702.30-284,140.20-157,873.42

Finding the Fourth Proportional to 205,702.30, 284,140.20 and 157,873.42

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Solution

The fourth proportional to 205,702.30, 284,140.20 and 157,873.42 is: 218,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,702.30 : 284,140.20 = 157,873.42 : x
  2. Step 2: Convert to fraction form
    205,702.30/284,140.20 = 157,873.42/x
  3. Step 3: Cross multiply
    205,702.30x = 284,140.20 × 157,873.42
  4. Step 4: Simplify right side
    205,702.30x = 44,858,185,133.48
  5. Step 5: Solve for x
    x = 44,858,185,133.48/205,702.30
  6. Step 6: Final answer
    x = 218,073.33

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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.