Home / 131,151.51-180,983.84-73,792.04

Finding the Fourth Proportional to 131,151.51, 180,983.84 and 73,792.04

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Solution

The fourth proportional to 131,151.51, 180,983.84 and 73,792.04 is: 101,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,151.51 : 180,983.84 = 73,792.04 : x
  2. Step 2: Convert to fraction form
    131,151.51/180,983.84 = 73,792.04/x
  3. Step 3: Cross multiply
    131,151.51x = 180,983.84 × 73,792.04
  4. Step 4: Simplify right side
    131,151.51x = 13,355,165,486.75
  5. Step 5: Solve for x
    x = 13,355,165,486.75/131,151.51
  6. Step 6: Final answer
    x = 101,830.06

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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.