Home / 110,239.74-152,104.20-69,939

Finding the Fourth Proportional to 110,239.74, 152,104.20 and 69,939

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Solution

The fourth proportional to 110,239.74, 152,104.20 and 69,939 is: 96,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,239.74 : 152,104.20 = 69,939 : x
  2. Step 2: Convert to fraction form
    110,239.74/152,104.20 = 69,939/x
  3. Step 3: Cross multiply
    110,239.74x = 152,104.20 × 69,939
  4. Step 4: Simplify right side
    110,239.74x = 10,638,015,643.80
  5. Step 5: Solve for x
    x = 10,638,015,643.80/110,239.74
  6. Step 6: Final answer
    x = 96,498.92

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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.