Home / 153,750.72-212,190.60-96,399.12

Finding the Fourth Proportional to 153,750.72, 212,190.60 and 96,399.12

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Solution

The fourth proportional to 153,750.72, 212,190.60 and 96,399.12 is: 133,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,750.72 : 212,190.60 = 96,399.12 : x
  2. Step 2: Convert to fraction form
    153,750.72/212,190.60 = 96,399.12/x
  3. Step 3: Cross multiply
    153,750.72x = 212,190.60 × 96,399.12
  4. Step 4: Simplify right side
    153,750.72x = 20,454,987,112.27
  5. Step 5: Solve for x
    x = 20,454,987,112.27/153,750.72
  6. Step 6: Final answer
    x = 133,039.94

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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.