Home / 156,543.26-216,029.68-89,488.22

Finding the Fourth Proportional to 156,543.26, 216,029.68 and 89,488.22

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Solution

The fourth proportional to 156,543.26, 216,029.68 and 89,488.22 is: 123,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,543.26 : 216,029.68 = 89,488.22 : x
  2. Step 2: Convert to fraction form
    156,543.26/216,029.68 = 89,488.22/x
  3. Step 3: Cross multiply
    156,543.26x = 216,029.68 × 89,488.22
  4. Step 4: Simplify right side
    156,543.26x = 19,332,111,530.37
  5. Step 5: Solve for x
    x = 19,332,111,530.37/156,543.26
  6. Step 6: Final answer
    x = 123,493.73

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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.