Home / 278,016.74-383,704.09-176,051.51

Finding the Fourth Proportional to 278,016.74, 383,704.09 and 176,051.51

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Solution

The fourth proportional to 278,016.74, 383,704.09 and 176,051.51 is: 242,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,016.74 : 383,704.09 = 176,051.51 : x
  2. Step 2: Convert to fraction form
    278,016.74/383,704.09 = 176,051.51/x
  3. Step 3: Cross multiply
    278,016.74x = 383,704.09 × 176,051.51
  4. Step 4: Simplify right side
    278,016.74x = 67,551,683,517.92
  5. Step 5: Solve for x
    x = 67,551,683,517.92/278,016.74
  6. Step 6: Final answer
    x = 242,977.04

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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.