Home / 283,933.96-391,822.01-156,606.82

Finding the Fourth Proportional to 283,933.96, 391,822.01 and 156,606.82

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Solution

The fourth proportional to 283,933.96, 391,822.01 and 156,606.82 is: 216,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,933.96 : 391,822.01 = 156,606.82 : x
  2. Step 2: Convert to fraction form
    283,933.96/391,822.01 = 156,606.82/x
  3. Step 3: Cross multiply
    283,933.96x = 391,822.01 × 156,606.82
  4. Step 4: Simplify right side
    283,933.96x = 61,361,997,816.79
  5. Step 5: Solve for x
    x = 61,361,997,816.79/283,933.96
  6. Step 6: Final answer
    x = 216,113.63

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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.