Home / 317,706.12-438,437.52-174,469.23

Finding the Fourth Proportional to 317,706.12, 438,437.52 and 174,469.23

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Solution

The fourth proportional to 317,706.12, 438,437.52 and 174,469.23 is: 240,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,706.12 : 438,437.52 = 174,469.23 : x
  2. Step 2: Convert to fraction form
    317,706.12/438,437.52 = 174,469.23/x
  3. Step 3: Cross multiply
    317,706.12x = 438,437.52 × 174,469.23
  4. Step 4: Simplify right side
    317,706.12x = 76,493,856,517.51
  5. Step 5: Solve for x
    x = 76,493,856,517.51/317,706.12
  6. Step 6: Final answer
    x = 240,769.23

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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.