Home / 132,271.08-198,357.10-53,342.28

Finding the Fourth Proportional to 132,271.08, 198,357.10 and 53,342.28

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Solution

The fourth proportional to 132,271.08, 198,357.10 and 53,342.28 is: 79,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,271.08 : 198,357.10 = 53,342.28 : x
  2. Step 2: Convert to fraction form
    132,271.08/198,357.10 = 53,342.28/x
  3. Step 3: Cross multiply
    132,271.08x = 198,357.10 × 53,342.28
  4. Step 4: Simplify right side
    132,271.08x = 10,580,819,968.19
  5. Step 5: Solve for x
    x = 10,580,819,968.19/132,271.08
  6. Step 6: Final answer
    x = 79,993.45

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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.