Home / 249,217.13-371,918.53-222,623.21

Finding the Fourth Proportional to 249,217.13, 371,918.53 and 222,623.21

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Solution

The fourth proportional to 249,217.13, 371,918.53 and 222,623.21 is: 332,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,217.13 : 371,918.53 = 222,623.21 : x
  2. Step 2: Convert to fraction form
    249,217.13/371,918.53 = 222,623.21/x
  3. Step 3: Cross multiply
    249,217.13x = 371,918.53 × 222,623.21
  4. Step 4: Simplify right side
    249,217.13x = 82,797,697,007.08
  5. Step 5: Solve for x
    x = 82,797,697,007.08/249,217.13
  6. Step 6: Final answer
    x = 332,231.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.