Home / 147,964.80-221,801.40-73,023.60

Finding the Fourth Proportional to 147,964.80, 221,801.40 and 73,023.60

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Solution

The fourth proportional to 147,964.80, 221,801.40 and 73,023.60 is: 109,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,964.80 : 221,801.40 = 73,023.60 : x
  2. Step 2: Convert to fraction form
    147,964.80/221,801.40 = 73,023.60/x
  3. Step 3: Cross multiply
    147,964.80x = 221,801.40 × 73,023.60
  4. Step 4: Simplify right side
    147,964.80x = 16,196,736,713.04
  5. Step 5: Solve for x
    x = 16,196,736,713.04/147,964.80
  6. Step 6: Final answer
    x = 109,463.44

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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.