Home / 314,971.93-472,654.73-127,983.43

Finding the Fourth Proportional to 314,971.93, 472,654.73 and 127,983.43

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Solution

The fourth proportional to 314,971.93, 472,654.73 and 127,983.43 is: 192,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,971.93 : 472,654.73 = 127,983.43 : x
  2. Step 2: Convert to fraction form
    314,971.93/472,654.73 = 127,983.43/x
  3. Step 3: Cross multiply
    314,971.93x = 472,654.73 × 127,983.43
  4. Step 4: Simplify right side
    314,971.93x = 60,491,973,551.12
  5. Step 5: Solve for x
    x = 60,491,973,551.12/314,971.93
  6. Step 6: Final answer
    x = 192,055.13

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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.