Home / 110,370.64-152,169.16-80,199.76

Finding the Fourth Proportional to 110,370.64, 152,169.16 and 80,199.76

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Solution

The fourth proportional to 110,370.64, 152,169.16 and 80,199.76 is: 110,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,370.64 : 152,169.16 = 80,199.76 : x
  2. Step 2: Convert to fraction form
    110,370.64/152,169.16 = 80,199.76/x
  3. Step 3: Cross multiply
    110,370.64x = 152,169.16 × 80,199.76
  4. Step 4: Simplify right side
    110,370.64x = 12,203,930,111.40
  5. Step 5: Solve for x
    x = 12,203,930,111.40/110,370.64
  6. Step 6: Final answer
    x = 110,572.25

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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.