Home / 156,668.30-216,179.44-89,587.34

Finding the Fourth Proportional to 156,668.30, 216,179.44 and 89,587.34

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Solution

The fourth proportional to 156,668.30, 216,179.44 and 89,587.34 is: 123,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,668.30 : 216,179.44 = 89,587.34 : x
  2. Step 2: Convert to fraction form
    156,668.30/216,179.44 = 89,587.34/x
  3. Step 3: Cross multiply
    156,668.30x = 216,179.44 × 89,587.34
  4. Step 4: Simplify right side
    156,668.30x = 19,366,939,687.42
  5. Step 5: Solve for x
    x = 19,366,939,687.42/156,668.30
  6. Step 6: Final answer
    x = 123,617.48

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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.