Home / 156,528.51-215,993.16-88,552.91

Finding the Fourth Proportional to 156,528.51, 215,993.16 and 88,552.91

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Solution

The fourth proportional to 156,528.51, 215,993.16 and 88,552.91 is: 122,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,528.51 : 215,993.16 = 88,552.91 : x
  2. Step 2: Convert to fraction form
    156,528.51/215,993.16 = 88,552.91/x
  3. Step 3: Cross multiply
    156,528.51x = 215,993.16 × 88,552.91
  4. Step 4: Simplify right side
    156,528.51x = 19,126,821,778.13
  5. Step 5: Solve for x
    x = 19,126,821,778.13/156,528.51
  6. Step 6: Final answer
    x = 122,193.85

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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.