Home / 131,065.08-180,851.52-73,696.44

Finding the Fourth Proportional to 131,065.08, 180,851.52 and 73,696.44

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Solution

The fourth proportional to 131,065.08, 180,851.52 and 73,696.44 is: 101,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,065.08 : 180,851.52 = 73,696.44 : x
  2. Step 2: Convert to fraction form
    131,065.08/180,851.52 = 73,696.44/x
  3. Step 3: Cross multiply
    131,065.08x = 180,851.52 × 73,696.44
  4. Step 4: Simplify right side
    131,065.08x = 13,328,113,192.59
  5. Step 5: Solve for x
    x = 13,328,113,192.59/131,065.08
  6. Step 6: Final answer
    x = 101,690.80

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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.