Home / 98,200.13-147,364.79-53,858.02

Finding the Fourth Proportional to 98,200.13, 147,364.79 and 53,858.02

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Solution

The fourth proportional to 98,200.13, 147,364.79 and 53,858.02 is: 80,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,200.13 : 147,364.79 = 53,858.02 : x
  2. Step 2: Convert to fraction form
    98,200.13/147,364.79 = 53,858.02/x
  3. Step 3: Cross multiply
    98,200.13x = 147,364.79 × 53,858.02
  4. Step 4: Simplify right side
    98,200.13x = 7,936,775,807.12
  5. Step 5: Solve for x
    x = 7,936,775,807.12/98,200.13
  6. Step 6: Final answer
    x = 80,822.46

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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.