Home / 245,357.16-368,043.03-67,877.25

Finding the Fourth Proportional to 245,357.16, 368,043.03 and 67,877.25

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Solution

The fourth proportional to 245,357.16, 368,043.03 and 67,877.25 is: 101,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,357.16 : 368,043.03 = 67,877.25 : x
  2. Step 2: Convert to fraction form
    245,357.16/368,043.03 = 67,877.25/x
  3. Step 3: Cross multiply
    245,357.16x = 368,043.03 × 67,877.25
  4. Step 4: Simplify right side
    245,357.16x = 24,981,748,758.07
  5. Step 5: Solve for x
    x = 24,981,748,758.07/245,357.16
  6. Step 6: Final answer
    x = 101,817.89

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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.