Home / 98,188.34-147,145.22-53,112.38

Finding the Fourth Proportional to 98,188.34, 147,145.22 and 53,112.38

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Solution

The fourth proportional to 98,188.34, 147,145.22 and 53,112.38 is: 79,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,188.34 : 147,145.22 = 53,112.38 : x
  2. Step 2: Convert to fraction form
    98,188.34/147,145.22 = 53,112.38/x
  3. Step 3: Cross multiply
    98,188.34x = 147,145.22 × 53,112.38
  4. Step 4: Simplify right side
    98,188.34x = 7,815,232,839.82
  5. Step 5: Solve for x
    x = 7,815,232,839.82/98,188.34
  6. Step 6: Final answer
    x = 79,594.31

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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.