Home / 278,562.51-384,425.46-157,701.33

Finding the Fourth Proportional to 278,562.51, 384,425.46 and 157,701.33

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Solution

The fourth proportional to 278,562.51, 384,425.46 and 157,701.33 is: 217,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,562.51 : 384,425.46 = 157,701.33 : x
  2. Step 2: Convert to fraction form
    278,562.51/384,425.46 = 157,701.33/x
  3. Step 3: Cross multiply
    278,562.51x = 384,425.46 × 157,701.33
  4. Step 4: Simplify right side
    278,562.51x = 60,624,406,327.86
  5. Step 5: Solve for x
    x = 60,624,406,327.86/278,562.51
  6. Step 6: Final answer
    x = 217,633.04

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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.