Home / 234,950.90-323,987.06-139,439.14

Finding the Fourth Proportional to 234,950.90, 323,987.06 and 139,439.14

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Solution

The fourth proportional to 234,950.90, 323,987.06 and 139,439.14 is: 192,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,950.90 : 323,987.06 = 139,439.14 : x
  2. Step 2: Convert to fraction form
    234,950.90/323,987.06 = 139,439.14/x
  3. Step 3: Cross multiply
    234,950.90x = 323,987.06 × 139,439.14
  4. Step 4: Simplify right side
    234,950.90x = 45,176,476,556.16
  5. Step 5: Solve for x
    x = 45,176,476,556.16/234,950.90
  6. Step 6: Final answer
    x = 192,280.50

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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.