Home / 115,150.88-158,908.57-66,762.23

Finding the Fourth Proportional to 115,150.88, 158,908.57 and 66,762.23

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Solution

The fourth proportional to 115,150.88, 158,908.57 and 66,762.23 is: 92,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150.88 : 158,908.57 = 66,762.23 : x
  2. Step 2: Convert to fraction form
    115,150.88/158,908.57 = 66,762.23/x
  3. Step 3: Cross multiply
    115,150.88x = 158,908.57 × 66,762.23
  4. Step 4: Simplify right side
    115,150.88x = 10,609,089,537.86
  5. Step 5: Solve for x
    x = 10,609,089,537.86/115,150.88
  6. Step 6: Final answer
    x = 92,132.07

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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.