Home / 213,691.57-294,885.36-118,192.16

Finding the Fourth Proportional to 213,691.57, 294,885.36 and 118,192.16

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Solution

The fourth proportional to 213,691.57, 294,885.36 and 118,192.16 is: 163,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,691.57 : 294,885.36 = 118,192.16 : x
  2. Step 2: Convert to fraction form
    213,691.57/294,885.36 = 118,192.16/x
  3. Step 3: Cross multiply
    213,691.57x = 294,885.36 × 118,192.16
  4. Step 4: Simplify right side
    213,691.57x = 34,853,138,387.99
  5. Step 5: Solve for x
    x = 34,853,138,387.99/213,691.57
  6. Step 6: Final answer
    x = 163,100.20

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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.