Home / 110,236.08-152,128.46-67,217.79

Finding the Fourth Proportional to 110,236.08, 152,128.46 and 67,217.79

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Solution

The fourth proportional to 110,236.08, 152,128.46 and 67,217.79 is: 92,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,236.08 : 152,128.46 = 67,217.79 : x
  2. Step 2: Convert to fraction form
    110,236.08/152,128.46 = 67,217.79/x
  3. Step 3: Cross multiply
    110,236.08x = 152,128.46 × 67,217.79
  4. Step 4: Simplify right side
    110,236.08x = 10,225,738,541.21
  5. Step 5: Solve for x
    x = 10,225,738,541.21/110,236.08
  6. Step 6: Final answer
    x = 92,762.17

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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.