Home / 147,572.61-221,401.44-72,715.26

Finding the Fourth Proportional to 147,572.61, 221,401.44 and 72,715.26

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Solution

The fourth proportional to 147,572.61, 221,401.44 and 72,715.26 is: 109,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,572.61 : 221,401.44 = 72,715.26 : x
  2. Step 2: Convert to fraction form
    147,572.61/221,401.44 = 72,715.26/x
  3. Step 3: Cross multiply
    147,572.61x = 221,401.44 × 72,715.26
  4. Step 4: Simplify right side
    147,572.61x = 16,099,263,273.97
  5. Step 5: Solve for x
    x = 16,099,263,273.97/147,572.61
  6. Step 6: Final answer
    x = 109,093.84

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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.