Home / 147,942.30-221,877.45-42,750.30

Finding the Fourth Proportional to 147,942.30, 221,877.45 and 42,750.30

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Solution

The fourth proportional to 147,942.30, 221,877.45 and 42,750.30 is: 64,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,942.30 : 221,877.45 = 42,750.30 : x
  2. Step 2: Convert to fraction form
    147,942.30/221,877.45 = 42,750.30/x
  3. Step 3: Cross multiply
    147,942.30x = 221,877.45 × 42,750.30
  4. Step 4: Simplify right side
    147,942.30x = 9,485,327,550.74
  5. Step 5: Solve for x
    x = 9,485,327,550.74/147,942.30
  6. Step 6: Final answer
    x = 64,115.05

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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.