Home / 447,731.76-671,436.32-148,157.04

Finding the Fourth Proportional to 447,731.76, 671,436.32 and 148,157.04

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Solution

The fourth proportional to 447,731.76, 671,436.32 and 148,157.04 is: 222,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,731.76 : 671,436.32 = 148,157.04 : x
  2. Step 2: Convert to fraction form
    447,731.76/671,436.32 = 148,157.04/x
  3. Step 3: Cross multiply
    447,731.76x = 671,436.32 × 148,157.04
  4. Step 4: Simplify right side
    447,731.76x = 99,478,017,719.69
  5. Step 5: Solve for x
    x = 99,478,017,719.69/447,731.76
  6. Step 6: Final answer
    x = 222,182.18

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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.