Home / 292,411.72-438,633.07-82,066.06

Finding the Fourth Proportional to 292,411.72, 438,633.07 and 82,066.06

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Solution

The fourth proportional to 292,411.72, 438,633.07 and 82,066.06 is: 123,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,411.72 : 438,633.07 = 82,066.06 : x
  2. Step 2: Convert to fraction form
    292,411.72/438,633.07 = 82,066.06/x
  3. Step 3: Cross multiply
    292,411.72x = 438,633.07 × 82,066.06
  4. Step 4: Simplify right side
    292,411.72x = 35,996,888,645.35
  5. Step 5: Solve for x
    x = 35,996,888,645.35/292,411.72
  6. Step 6: Final answer
    x = 123,103.44

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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.