Home / 398,858.23-598,157.49-132,547.24

Finding the Fourth Proportional to 398,858.23, 598,157.49 and 132,547.24

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Solution

The fourth proportional to 398,858.23, 598,157.49 and 132,547.24 is: 198,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,858.23 : 598,157.49 = 132,547.24 : x
  2. Step 2: Convert to fraction form
    398,858.23/598,157.49 = 132,547.24/x
  3. Step 3: Cross multiply
    398,858.23x = 598,157.49 × 132,547.24
  4. Step 4: Simplify right side
    398,858.23x = 79,284,121,146.57
  5. Step 5: Solve for x
    x = 79,284,121,146.57/398,858.23
  6. Step 6: Final answer
    x = 198,777.70

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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.