Home / 289,909.18-400,073.99-160,867.27

Finding the Fourth Proportional to 289,909.18, 400,073.99 and 160,867.27

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Solution

The fourth proportional to 289,909.18, 400,073.99 and 160,867.27 is: 221,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,909.18 : 400,073.99 = 160,867.27 : x
  2. Step 2: Convert to fraction form
    289,909.18/400,073.99 = 160,867.27/x
  3. Step 3: Cross multiply
    289,909.18x = 400,073.99 × 160,867.27
  4. Step 4: Simplify right side
    289,909.18x = 64,358,810,569.31
  5. Step 5: Solve for x
    x = 64,358,810,569.31/289,909.18
  6. Step 6: Final answer
    x = 221,996.46

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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.