Home / 131,264.83-181,141.27-73,907.11

Finding the Fourth Proportional to 131,264.83, 181,141.27 and 73,907.11

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Solution

The fourth proportional to 131,264.83, 181,141.27 and 73,907.11 is: 101,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,264.83 : 181,141.27 = 73,907.11 : x
  2. Step 2: Convert to fraction form
    131,264.83/181,141.27 = 73,907.11/x
  3. Step 3: Cross multiply
    131,264.83x = 181,141.27 × 73,907.11
  4. Step 4: Simplify right side
    131,264.83x = 13,387,627,767.43
  5. Step 5: Solve for x
    x = 13,387,627,767.43/131,264.83
  6. Step 6: Final answer
    x = 101,989.45

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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.