Home / 111,476.83-167,116.80-85,298.44

Finding the Fourth Proportional to 111,476.83, 167,116.80 and 85,298.44

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Solution

The fourth proportional to 111,476.83, 167,116.80 and 85,298.44 is: 127,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,476.83 : 167,116.80 = 85,298.44 : x
  2. Step 2: Convert to fraction form
    111,476.83/167,116.80 = 85,298.44/x
  3. Step 3: Cross multiply
    111,476.83x = 167,116.80 × 85,298.44
  4. Step 4: Simplify right side
    111,476.83x = 14,254,802,337.79
  5. Step 5: Solve for x
    x = 14,254,802,337.79/111,476.83
  6. Step 6: Final answer
    x = 127,872.33

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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.