Home / 147,960.12-221,874.30-42,754.08

Finding the Fourth Proportional to 147,960.12, 221,874.30 and 42,754.08

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Solution

The fourth proportional to 147,960.12, 221,874.30 and 42,754.08 is: 64,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,960.12 : 221,874.30 = 42,754.08 : x
  2. Step 2: Convert to fraction form
    147,960.12/221,874.30 = 42,754.08/x
  3. Step 3: Cross multiply
    147,960.12x = 221,874.30 × 42,754.08
  4. Step 4: Simplify right side
    147,960.12x = 9,486,031,572.14
  5. Step 5: Solve for x
    x = 9,486,031,572.14/147,960.12
  6. Step 6: Final answer
    x = 64,112.08

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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.