Home / 131,101.11-180,822.75-97,111.04

Finding the Fourth Proportional to 131,101.11, 180,822.75 and 97,111.04

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Solution

The fourth proportional to 131,101.11, 180,822.75 and 97,111.04 is: 133,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,101.11 : 180,822.75 = 97,111.04 : x
  2. Step 2: Convert to fraction form
    131,101.11/180,822.75 = 97,111.04/x
  3. Step 3: Cross multiply
    131,101.11x = 180,822.75 × 97,111.04
  4. Step 4: Simplify right side
    131,101.11x = 17,559,884,404.05
  5. Step 5: Solve for x
    x = 17,559,884,404.05/131,101.11
  6. Step 6: Final answer
    x = 133,941.54

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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.