Home / 110,257.61-152,091.27-80,007.75

Finding the Fourth Proportional to 110,257.61, 152,091.27 and 80,007.75

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Solution

The fourth proportional to 110,257.61, 152,091.27 and 80,007.75 is: 110,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,257.61 : 152,091.27 = 80,007.75 : x
  2. Step 2: Convert to fraction form
    110,257.61/152,091.27 = 80,007.75/x
  3. Step 3: Cross multiply
    110,257.61x = 152,091.27 × 80,007.75
  4. Step 4: Simplify right side
    110,257.61x = 12,168,480,307.34
  5. Step 5: Solve for x
    x = 12,168,480,307.34/110,257.61
  6. Step 6: Final answer
    x = 110,364.09

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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.