Home / 110,225.57-152,186.40-73,981.36

Finding the Fourth Proportional to 110,225.57, 152,186.40 and 73,981.36

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Solution

The fourth proportional to 110,225.57, 152,186.40 and 73,981.36 is: 102,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,225.57 : 152,186.40 = 73,981.36 : x
  2. Step 2: Convert to fraction form
    110,225.57/152,186.40 = 73,981.36/x
  3. Step 3: Cross multiply
    110,225.57x = 152,186.40 × 73,981.36
  4. Step 4: Simplify right side
    110,225.57x = 11,258,957,093.60
  5. Step 5: Solve for x
    x = 11,258,957,093.60/110,225.57
  6. Step 6: Final answer
    x = 102,144.69

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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.