Home / 272,691.13-409,055.39-92,703.33

Finding the Fourth Proportional to 272,691.13, 409,055.39 and 92,703.33

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Solution

The fourth proportional to 272,691.13, 409,055.39 and 92,703.33 is: 139,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,691.13 : 409,055.39 = 92,703.33 : x
  2. Step 2: Convert to fraction form
    272,691.13/409,055.39 = 92,703.33/x
  3. Step 3: Cross multiply
    272,691.13x = 409,055.39 × 92,703.33
  4. Step 4: Simplify right side
    272,691.13x = 37,920,796,807.45
  5. Step 5: Solve for x
    x = 37,920,796,807.45/272,691.13
  6. Step 6: Final answer
    x = 139,061.35

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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.