Home / 185,133.04-277,642.10-66,788.96

Finding the Fourth Proportional to 185,133.04, 277,642.10 and 66,788.96

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Solution

The fourth proportional to 185,133.04, 277,642.10 and 66,788.96 is: 100,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,133.04 : 277,642.10 = 66,788.96 : x
  2. Step 2: Convert to fraction form
    185,133.04/277,642.10 = 66,788.96/x
  3. Step 3: Cross multiply
    185,133.04x = 277,642.10 × 66,788.96
  4. Step 4: Simplify right side
    185,133.04x = 18,543,427,111.22
  5. Step 5: Solve for x
    x = 18,543,427,111.22/185,133.04
  6. Step 6: Final answer
    x = 100,162.71

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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.