Home / 448,071.24-672,123.20-148,578.02

Finding the Fourth Proportional to 448,071.24, 672,123.20 and 148,578.02

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Solution

The fourth proportional to 448,071.24, 672,123.20 and 148,578.02 is: 222,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,071.24 : 672,123.20 = 148,578.02 : x
  2. Step 2: Convert to fraction form
    448,071.24/672,123.20 = 148,578.02/x
  3. Step 3: Cross multiply
    448,071.24x = 672,123.20 × 148,578.02
  4. Step 4: Simplify right side
    448,071.24x = 99,862,734,252.06
  5. Step 5: Solve for x
    x = 99,862,734,252.06/448,071.24
  6. Step 6: Final answer
    x = 222,872.45

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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.