Home / 153,048.12-211,202.90-88,512.52

Finding the Fourth Proportional to 153,048.12, 211,202.90 and 88,512.52

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Solution

The fourth proportional to 153,048.12, 211,202.90 and 88,512.52 is: 122,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,048.12 : 211,202.90 = 88,512.52 : x
  2. Step 2: Convert to fraction form
    153,048.12/211,202.90 = 88,512.52/x
  3. Step 3: Cross multiply
    153,048.12x = 211,202.90 × 88,512.52
  4. Step 4: Simplify right side
    153,048.12x = 18,694,100,910.31
  5. Step 5: Solve for x
    x = 18,694,100,910.31/153,048.12
  6. Step 6: Final answer
    x = 122,145.25

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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.