Home / 231,621.39-347,196.06-98,416.71

Finding the Fourth Proportional to 231,621.39, 347,196.06 and 98,416.71

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Solution

The fourth proportional to 231,621.39, 347,196.06 and 98,416.71 is: 147,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,621.39 : 347,196.06 = 98,416.71 : x
  2. Step 2: Convert to fraction form
    231,621.39/347,196.06 = 98,416.71/x
  3. Step 3: Cross multiply
    231,621.39x = 347,196.06 × 98,416.71
  4. Step 4: Simplify right side
    231,621.39x = 34,169,893,950.16
  5. Step 5: Solve for x
    x = 34,169,893,950.16/231,621.39
  6. Step 6: Final answer
    x = 147,524.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.