Home / 268,972.40-371,167.16-148,090.72

Finding the Fourth Proportional to 268,972.40, 371,167.16 and 148,090.72

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Solution

The fourth proportional to 268,972.40, 371,167.16 and 148,090.72 is: 204,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,972.40 : 371,167.16 = 148,090.72 : x
  2. Step 2: Convert to fraction form
    268,972.40/371,167.16 = 148,090.72/x
  3. Step 3: Cross multiply
    268,972.40x = 371,167.16 × 148,090.72
  4. Step 4: Simplify right side
    268,972.40x = 54,966,411,964.76
  5. Step 5: Solve for x
    x = 54,966,411,964.76/268,972.40
  6. Step 6: Final answer
    x = 204,357.07

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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.