Home / 126,012.90-173,896.26-69,423.06

Finding the Fourth Proportional to 126,012.90, 173,896.26 and 69,423.06

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Solution

The fourth proportional to 126,012.90, 173,896.26 and 69,423.06 is: 95,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,012.90 : 173,896.26 = 69,423.06 : x
  2. Step 2: Convert to fraction form
    126,012.90/173,896.26 = 69,423.06/x
  3. Step 3: Cross multiply
    126,012.90x = 173,896.26 × 69,423.06
  4. Step 4: Simplify right side
    126,012.90x = 12,072,410,491.76
  5. Step 5: Solve for x
    x = 12,072,410,491.76/126,012.90
  6. Step 6: Final answer
    x = 95,802.97

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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.