Home / 98,186.33-147,142.21-53,110.38

Finding the Fourth Proportional to 98,186.33, 147,142.21 and 53,110.38

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Solution

The fourth proportional to 98,186.33, 147,142.21 and 53,110.38 is: 79,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,186.33 : 147,142.21 = 53,110.38 : x
  2. Step 2: Convert to fraction form
    98,186.33/147,142.21 = 53,110.38/x
  3. Step 3: Cross multiply
    98,186.33x = 147,142.21 × 53,110.38
  4. Step 4: Simplify right side
    98,186.33x = 7,814,779,467.13
  5. Step 5: Solve for x
    x = 7,814,779,467.13/98,186.33
  6. Step 6: Final answer
    x = 79,591.32

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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.