Home / 353,437.28-530,488.06-185,078.42

Finding the Fourth Proportional to 353,437.28, 530,488.06 and 185,078.42

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Solution

The fourth proportional to 353,437.28, 530,488.06 and 185,078.42 is: 277,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,437.28 : 530,488.06 = 185,078.42 : x
  2. Step 2: Convert to fraction form
    353,437.28/530,488.06 = 185,078.42/x
  3. Step 3: Cross multiply
    353,437.28x = 530,488.06 × 185,078.42
  4. Step 4: Simplify right side
    353,437.28x = 98,181,891,973.67
  5. Step 5: Solve for x
    x = 98,181,891,973.67/353,437.28
  6. Step 6: Final answer
    x = 277,791.56

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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.