Home / 219,695.90-303,161.46-127,832.18

Finding the Fourth Proportional to 219,695.90, 303,161.46 and 127,832.18

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Solution

The fourth proportional to 219,695.90, 303,161.46 and 127,832.18 is: 176,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,695.90 : 303,161.46 = 127,832.18 : x
  2. Step 2: Convert to fraction form
    219,695.90/303,161.46 = 127,832.18/x
  3. Step 3: Cross multiply
    219,695.90x = 303,161.46 × 127,832.18
  4. Step 4: Simplify right side
    219,695.90x = 38,753,788,807.98
  5. Step 5: Solve for x
    x = 38,753,788,807.98/219,695.90
  6. Step 6: Final answer
    x = 176,397.42

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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.