Home / 451,261.12-676,666.29-147,615.64

Finding the Fourth Proportional to 451,261.12, 676,666.29 and 147,615.64

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Solution

The fourth proportional to 451,261.12, 676,666.29 and 147,615.64 is: 221,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,261.12 : 676,666.29 = 147,615.64 : x
  2. Step 2: Convert to fraction form
    451,261.12/676,666.29 = 147,615.64/x
  3. Step 3: Cross multiply
    451,261.12x = 676,666.29 × 147,615.64
  4. Step 4: Simplify right side
    451,261.12x = 99,886,527,464.78
  5. Step 5: Solve for x
    x = 99,886,527,464.78/451,261.12
  6. Step 6: Final answer
    x = 221,349.73

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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.