Home / 126,312.08-174,311.88-69,722.24

Finding the Fourth Proportional to 126,312.08, 174,311.88 and 69,722.24

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Solution

The fourth proportional to 126,312.08, 174,311.88 and 69,722.24 is: 96,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312.08 : 174,311.88 = 69,722.24 : x
  2. Step 2: Convert to fraction form
    126,312.08/174,311.88 = 69,722.24/x
  3. Step 3: Cross multiply
    126,312.08x = 174,311.88 × 69,722.24
  4. Step 4: Simplify right side
    126,312.08x = 12,153,414,732.21
  5. Step 5: Solve for x
    x = 12,153,414,732.21/126,312.08
  6. Step 6: Final answer
    x = 96,217.36

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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.