Home / 115,357.44-159,197.76-65,058.24

Finding the Fourth Proportional to 115,357.44, 159,197.76 and 65,058.24

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Solution

The fourth proportional to 115,357.44, 159,197.76 and 65,058.24 is: 89,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,357.44 : 159,197.76 = 65,058.24 : x
  2. Step 2: Convert to fraction form
    115,357.44/159,197.76 = 65,058.24/x
  3. Step 3: Cross multiply
    115,357.44x = 159,197.76 × 65,058.24
  4. Step 4: Simplify right side
    115,357.44x = 10,357,126,077.54
  5. Step 5: Solve for x
    x = 10,357,126,077.54/115,357.44
  6. Step 6: Final answer
    x = 89,782.91

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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.