Home / 147,942.75-221,970.02-88,819.64

Finding the Fourth Proportional to 147,942.75, 221,970.02 and 88,819.64

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Solution

The fourth proportional to 147,942.75, 221,970.02 and 88,819.64 is: 133,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,942.75 : 221,970.02 = 88,819.64 : x
  2. Step 2: Convert to fraction form
    147,942.75/221,970.02 = 88,819.64/x
  3. Step 3: Cross multiply
    147,942.75x = 221,970.02 × 88,819.64
  4. Step 4: Simplify right side
    147,942.75x = 19,715,297,045.24
  5. Step 5: Solve for x
    x = 19,715,297,045.24/147,942.75
  6. Step 6: Final answer
    x = 133,263.01

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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.