Home / 457,333.22-686,076.98-157,733.66

Finding the Fourth Proportional to 457,333.22, 686,076.98 and 157,733.66

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Solution

The fourth proportional to 457,333.22, 686,076.98 and 157,733.66 is: 236,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,333.22 : 686,076.98 = 157,733.66 : x
  2. Step 2: Convert to fraction form
    457,333.22/686,076.98 = 157,733.66/x
  3. Step 3: Cross multiply
    457,333.22x = 686,076.98 × 157,733.66
  4. Step 4: Simplify right side
    457,333.22x = 108,217,433,097.15
  5. Step 5: Solve for x
    x = 108,217,433,097.15/457,333.22
  6. Step 6: Final answer
    x = 236,627.10

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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.