Home / 283,717.42-391,499.13-156,368.50

Finding the Fourth Proportional to 283,717.42, 391,499.13 and 156,368.50

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Solution

The fourth proportional to 283,717.42, 391,499.13 and 156,368.50 is: 215,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,717.42 : 391,499.13 = 156,368.50 : x
  2. Step 2: Convert to fraction form
    283,717.42/391,499.13 = 156,368.50/x
  3. Step 3: Cross multiply
    283,717.42x = 391,499.13 × 156,368.50
  4. Step 4: Simplify right side
    283,717.42x = 61,218,131,709.41
  5. Step 5: Solve for x
    x = 61,218,131,709.41/283,717.42
  6. Step 6: Final answer
    x = 215,771.49

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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.