Home / 283,700.91-391,507.26-156,379.23

Finding the Fourth Proportional to 283,700.91, 391,507.26 and 156,379.23

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Solution

The fourth proportional to 283,700.91, 391,507.26 and 156,379.23 is: 215,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,700.91 : 391,507.26 = 156,379.23 : x
  2. Step 2: Convert to fraction form
    283,700.91/391,507.26 = 156,379.23/x
  3. Step 3: Cross multiply
    283,700.91x = 391,507.26 × 156,379.23
  4. Step 4: Simplify right side
    283,700.91x = 61,223,603,858.21
  5. Step 5: Solve for x
    x = 61,223,603,858.21/283,700.91
  6. Step 6: Final answer
    x = 215,803.34

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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.