Home / 315,056.17-471,572.70-165,082.60

Finding the Fourth Proportional to 315,056.17, 471,572.70 and 165,082.60

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Solution

The fourth proportional to 315,056.17, 471,572.70 and 165,082.60 is: 247,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,056.17 : 471,572.70 = 165,082.60 : x
  2. Step 2: Convert to fraction form
    315,056.17/471,572.70 = 165,082.60/x
  3. Step 3: Cross multiply
    315,056.17x = 471,572.70 × 165,082.60
  4. Step 4: Simplify right side
    315,056.17x = 77,848,447,405.02
  5. Step 5: Solve for x
    x = 77,848,447,405.02/315,056.17
  6. Step 6: Final answer
    x = 247,093.87

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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.