Home / 110,942.46-153,100.65-63,200.28

Finding the Fourth Proportional to 110,942.46, 153,100.65 and 63,200.28

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Solution

The fourth proportional to 110,942.46, 153,100.65 and 63,200.28 is: 87,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,942.46 : 153,100.65 = 63,200.28 : x
  2. Step 2: Convert to fraction form
    110,942.46/153,100.65 = 63,200.28/x
  3. Step 3: Cross multiply
    110,942.46x = 153,100.65 × 63,200.28
  4. Step 4: Simplify right side
    110,942.46x = 9,676,003,948.18
  5. Step 5: Solve for x
    x = 9,676,003,948.18/110,942.46
  6. Step 6: Final answer
    x = 87,216.42

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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.