Home / 156,048.82-215,347.26-88,080.10

Finding the Fourth Proportional to 156,048.82, 215,347.26 and 88,080.10

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Solution

The fourth proportional to 156,048.82, 215,347.26 and 88,080.10 is: 121,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,048.82 : 215,347.26 = 88,080.10 : x
  2. Step 2: Convert to fraction form
    156,048.82/215,347.26 = 88,080.10/x
  3. Step 3: Cross multiply
    156,048.82x = 215,347.26 × 88,080.10
  4. Step 4: Simplify right side
    156,048.82x = 18,967,808,195.53
  5. Step 5: Solve for x
    x = 18,967,808,195.53/156,048.82
  6. Step 6: Final answer
    x = 121,550.48

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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.