Home / 301,089.11-415,521.34-173,772.89

Finding the Fourth Proportional to 301,089.11, 415,521.34 and 173,772.89

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Solution

The fourth proportional to 301,089.11, 415,521.34 and 173,772.89 is: 239,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,089.11 : 415,521.34 = 173,772.89 : x
  2. Step 2: Convert to fraction form
    301,089.11/415,521.34 = 173,772.89/x
  3. Step 3: Cross multiply
    301,089.11x = 415,521.34 × 173,772.89
  4. Step 4: Simplify right side
    301,089.11x = 72,206,341,596.43
  5. Step 5: Solve for x
    x = 72,206,341,596.43/301,089.11
  6. Step 6: Final answer
    x = 239,817.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.