Home / 448,013.72-672,053.40-178,247.28

Finding the Fourth Proportional to 448,013.72, 672,053.40 and 178,247.28

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Solution

The fourth proportional to 448,013.72, 672,053.40 and 178,247.28 is: 267,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,013.72 : 672,053.40 = 178,247.28 : x
  2. Step 2: Convert to fraction form
    448,013.72/672,053.40 = 178,247.28/x
  3. Step 3: Cross multiply
    448,013.72x = 672,053.40 × 178,247.28
  4. Step 4: Simplify right side
    448,013.72x = 119,791,690,564.75
  5. Step 5: Solve for x
    x = 119,791,690,564.75/448,013.72
  6. Step 6: Final answer
    x = 267,383.98

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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.