Home / 183,437.12-275,109.50-71,078.78

Finding the Fourth Proportional to 183,437.12, 275,109.50 and 71,078.78

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Solution

The fourth proportional to 183,437.12, 275,109.50 and 71,078.78 is: 106,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,437.12 : 275,109.50 = 71,078.78 : x
  2. Step 2: Convert to fraction form
    183,437.12/275,109.50 = 71,078.78/x
  3. Step 3: Cross multiply
    183,437.12x = 275,109.50 × 71,078.78
  4. Step 4: Simplify right side
    183,437.12x = 19,554,447,626.41
  5. Step 5: Solve for x
    x = 19,554,447,626.41/183,437.12
  6. Step 6: Final answer
    x = 106,600.28

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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.