Home / 129,905.02-194,844.88-88,054.04

Finding the Fourth Proportional to 129,905.02, 194,844.88 and 88,054.04

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Solution

The fourth proportional to 129,905.02, 194,844.88 and 88,054.04 is: 132,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,905.02 : 194,844.88 = 88,054.04 : x
  2. Step 2: Convert to fraction form
    129,905.02/194,844.88 = 88,054.04/x
  3. Step 3: Cross multiply
    129,905.02x = 194,844.88 × 88,054.04
  4. Step 4: Simplify right side
    129,905.02x = 17,156,878,857.32
  5. Step 5: Solve for x
    x = 17,156,878,857.32/129,905.02
  6. Step 6: Final answer
    x = 132,072.49

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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.