Home / 111,288.48-153,576.45-60,299.79

Finding the Fourth Proportional to 111,288.48, 153,576.45 and 60,299.79

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Solution

The fourth proportional to 111,288.48, 153,576.45 and 60,299.79 is: 83,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,288.48 : 153,576.45 = 60,299.79 : x
  2. Step 2: Convert to fraction form
    111,288.48/153,576.45 = 60,299.79/x
  3. Step 3: Cross multiply
    111,288.48x = 153,576.45 × 60,299.79
  4. Step 4: Simplify right side
    111,288.48x = 9,260,627,683.95
  5. Step 5: Solve for x
    x = 9,260,627,683.95/111,288.48
  6. Step 6: Final answer
    x = 83,212.81

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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.