Home / 138,033.54-207,050.04-38,193.46

Finding the Fourth Proportional to 138,033.54, 207,050.04 and 38,193.46

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Solution

The fourth proportional to 138,033.54, 207,050.04 and 38,193.46 is: 57,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,033.54 : 207,050.04 = 38,193.46 : x
  2. Step 2: Convert to fraction form
    138,033.54/207,050.04 = 38,193.46/x
  3. Step 3: Cross multiply
    138,033.54x = 207,050.04 × 38,193.46
  4. Step 4: Simplify right side
    138,033.54x = 7,907,956,903.11
  5. Step 5: Solve for x
    x = 7,907,956,903.11/138,033.54
  6. Step 6: Final answer
    x = 57,290.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.