Home / 448,277.25-672,521.02-178,421.73

Finding the Fourth Proportional to 448,277.25, 672,521.02 and 178,421.73

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Solution

The fourth proportional to 448,277.25, 672,521.02 and 178,421.73 is: 267,674.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,277.25 : 672,521.02 = 178,421.73 : x
  2. Step 2: Convert to fraction form
    448,277.25/672,521.02 = 178,421.73/x
  3. Step 3: Cross multiply
    448,277.25x = 672,521.02 × 178,421.73
  4. Step 4: Simplify right side
    448,277.25x = 119,992,360,881.76
  5. Step 5: Solve for x
    x = 119,992,360,881.76/448,277.25
  6. Step 6: Final answer
    x = 267,674.44

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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.