Home / 278,785.56-417,144.96-166,526.85

Finding the Fourth Proportional to 278,785.56, 417,144.96 and 166,526.85

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Solution

The fourth proportional to 278,785.56, 417,144.96 and 166,526.85 is: 249,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,785.56 : 417,144.96 = 166,526.85 : x
  2. Step 2: Convert to fraction form
    278,785.56/417,144.96 = 166,526.85/x
  3. Step 3: Cross multiply
    278,785.56x = 417,144.96 × 166,526.85
  4. Step 4: Simplify right side
    278,785.56x = 69,465,836,182.18
  5. Step 5: Solve for x
    x = 69,465,836,182.18/278,785.56
  6. Step 6: Final answer
    x = 249,173.01

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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.