Home / 289,446.27-399,437.07-168,670.41

Finding the Fourth Proportional to 289,446.27, 399,437.07 and 168,670.41

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Solution

The fourth proportional to 289,446.27, 399,437.07 and 168,670.41 is: 232,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,446.27 : 399,437.07 = 168,670.41 : x
  2. Step 2: Convert to fraction form
    289,446.27/399,437.07 = 168,670.41/x
  3. Step 3: Cross multiply
    289,446.27x = 399,437.07 × 168,670.41
  4. Step 4: Simplify right side
    289,446.27x = 67,373,214,366.10
  5. Step 5: Solve for x
    x = 67,373,214,366.10/289,446.27
  6. Step 6: Final answer
    x = 232,765.88

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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.