Home / 156,530.26-215,995.57-88,554.66

Finding the Fourth Proportional to 156,530.26, 215,995.57 and 88,554.66

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Solution

The fourth proportional to 156,530.26, 215,995.57 and 88,554.66 is: 122,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,530.26 : 215,995.57 = 88,554.66 : x
  2. Step 2: Convert to fraction form
    156,530.26/215,995.57 = 88,554.66/x
  3. Step 3: Cross multiply
    156,530.26x = 215,995.57 × 88,554.66
  4. Step 4: Simplify right side
    156,530.26x = 19,127,414,262.86
  5. Step 5: Solve for x
    x = 19,127,414,262.86/156,530.26
  6. Step 6: Final answer
    x = 122,196.27

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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.