Home / 289,520.26-399,535.77-162,196.90

Finding the Fourth Proportional to 289,520.26, 399,535.77 and 162,196.90

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Solution

The fourth proportional to 289,520.26, 399,535.77 and 162,196.90 is: 223,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,520.26 : 399,535.77 = 162,196.90 : x
  2. Step 2: Convert to fraction form
    289,520.26/399,535.77 = 162,196.90/x
  3. Step 3: Cross multiply
    289,520.26x = 399,535.77 × 162,196.90
  4. Step 4: Simplify right side
    289,520.26x = 64,803,463,333.11
  5. Step 5: Solve for x
    x = 64,803,463,333.11/289,520.26
  6. Step 6: Final answer
    x = 223,830.50

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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.