Home / 313,281.47-469,290.17-144,567.42

Finding the Fourth Proportional to 313,281.47, 469,290.17 and 144,567.42

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Solution

The fourth proportional to 313,281.47, 469,290.17 and 144,567.42 is: 216,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,281.47 : 469,290.17 = 144,567.42 : x
  2. Step 2: Convert to fraction form
    313,281.47/469,290.17 = 144,567.42/x
  3. Step 3: Cross multiply
    313,281.47x = 469,290.17 × 144,567.42
  4. Step 4: Simplify right side
    313,281.47x = 67,844,067,709.84
  5. Step 5: Solve for x
    x = 67,844,067,709.84/313,281.47
  6. Step 6: Final answer
    x = 216,559.46

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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.