Home / 448,072.43-672,036.95-148,540.91

Finding the Fourth Proportional to 448,072.43, 672,036.95 and 148,540.91

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Solution

The fourth proportional to 448,072.43, 672,036.95 and 148,540.91 is: 222,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,072.43 : 672,036.95 = 148,540.91 : x
  2. Step 2: Convert to fraction form
    448,072.43/672,036.95 = 148,540.91/x
  3. Step 3: Cross multiply
    448,072.43x = 672,036.95 × 148,540.91
  4. Step 4: Simplify right side
    448,072.43x = 99,824,977,117.79
  5. Step 5: Solve for x
    x = 99,824,977,117.79/448,072.43
  6. Step 6: Final answer
    x = 222,787.59

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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.