Home / 115,466.22-159,326.28-70,120.56

Finding the Fourth Proportional to 115,466.22, 159,326.28 and 70,120.56

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Solution

The fourth proportional to 115,466.22, 159,326.28 and 70,120.56 is: 96,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,466.22 : 159,326.28 = 70,120.56 : x
  2. Step 2: Convert to fraction form
    115,466.22/159,326.28 = 70,120.56/x
  3. Step 3: Cross multiply
    115,466.22x = 159,326.28 × 70,120.56
  4. Step 4: Simplify right side
    115,466.22x = 11,172,047,976.32
  5. Step 5: Solve for x
    x = 11,172,047,976.32/115,466.22
  6. Step 6: Final answer
    x = 96,755.99

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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.