Home / 111,233.66-153,501.51-60,245.20

Finding the Fourth Proportional to 111,233.66, 153,501.51 and 60,245.20

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Solution

The fourth proportional to 111,233.66, 153,501.51 and 60,245.20 is: 83,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,233.66 : 153,501.51 = 60,245.20 : x
  2. Step 2: Convert to fraction form
    111,233.66/153,501.51 = 60,245.20/x
  3. Step 3: Cross multiply
    111,233.66x = 153,501.51 × 60,245.20
  4. Step 4: Simplify right side
    111,233.66x = 9,247,729,588.05
  5. Step 5: Solve for x
    x = 9,247,729,588.05/111,233.66
  6. Step 6: Final answer
    x = 83,137.87

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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.