Home / 147,665.22-221,500.97-52,901.57

Finding the Fourth Proportional to 147,665.22, 221,500.97 and 52,901.57

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Solution

The fourth proportional to 147,665.22, 221,500.97 and 52,901.57 is: 79,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,665.22 : 221,500.97 = 52,901.57 : x
  2. Step 2: Convert to fraction form
    147,665.22/221,500.97 = 52,901.57/x
  3. Step 3: Cross multiply
    147,665.22x = 221,500.97 × 52,901.57
  4. Step 4: Simplify right side
    147,665.22x = 11,717,749,069.52
  5. Step 5: Solve for x
    x = 11,717,749,069.52/147,665.22
  6. Step 6: Final answer
    x = 79,353.48

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1.5x scale

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.