Home / 452,951.07-679,408.85-153,431.64

Finding the Fourth Proportional to 452,951.07, 679,408.85 and 153,431.64

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Solution

The fourth proportional to 452,951.07, 679,408.85 and 153,431.64 is: 230,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,951.07 : 679,408.85 = 153,431.64 : x
  2. Step 2: Convert to fraction form
    452,951.07/679,408.85 = 153,431.64/x
  3. Step 3: Cross multiply
    452,951.07x = 679,408.85 × 153,431.64
  4. Step 4: Simplify right side
    452,951.07x = 104,242,814,086.01
  5. Step 5: Solve for x
    x = 104,242,814,086.01/452,951.07
  6. Step 6: Final answer
    x = 230,141.45

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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.