Home / 349,952.28-524,518.68-133,669.20

Finding the Fourth Proportional to 349,952.28, 524,518.68 and 133,669.20

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Solution

The fourth proportional to 349,952.28, 524,518.68 and 133,669.20 is: 200,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,952.28 : 524,518.68 = 133,669.20 : x
  2. Step 2: Convert to fraction form
    349,952.28/524,518.68 = 133,669.20/x
  3. Step 3: Cross multiply
    349,952.28x = 524,518.68 × 133,669.20
  4. Step 4: Simplify right side
    349,952.28x = 70,111,992,340.66
  5. Step 5: Solve for x
    x = 70,111,992,340.66/349,952.28
  6. Step 6: Final answer
    x = 200,347.29

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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.