Home / 293,072.40-439,637.52-82,712.16

Finding the Fourth Proportional to 293,072.40, 439,637.52 and 82,712.16

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Solution

The fourth proportional to 293,072.40, 439,637.52 and 82,712.16 is: 124,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,072.40 : 439,637.52 = 82,712.16 : x
  2. Step 2: Convert to fraction form
    293,072.40/439,637.52 = 82,712.16/x
  3. Step 3: Cross multiply
    293,072.40x = 439,637.52 × 82,712.16
  4. Step 4: Simplify right side
    293,072.40x = 36,363,368,896.24
  5. Step 5: Solve for x
    x = 36,363,368,896.24/293,072.40
  6. Step 6: Final answer
    x = 124,076.40

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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.