Home / 283,768.04-391,588.10-154,703.72

Finding the Fourth Proportional to 283,768.04, 391,588.10 and 154,703.72

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Solution

The fourth proportional to 283,768.04, 391,588.10 and 154,703.72 is: 213,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,768.04 : 391,588.10 = 154,703.72 : x
  2. Step 2: Convert to fraction form
    283,768.04/391,588.10 = 154,703.72/x
  3. Step 3: Cross multiply
    283,768.04x = 391,588.10 × 154,703.72
  4. Step 4: Simplify right side
    283,768.04x = 60,580,135,777.73
  5. Step 5: Solve for x
    x = 60,580,135,777.73/283,768.04
  6. Step 6: Final answer
    x = 213,484.70

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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.