Home / 134,785.48-202,020.96-101,398.12

Finding the Fourth Proportional to 134,785.48, 202,020.96 and 101,398.12

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Solution

The fourth proportional to 134,785.48, 202,020.96 and 101,398.12 is: 151,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,785.48 : 202,020.96 = 101,398.12 : x
  2. Step 2: Convert to fraction form
    134,785.48/202,020.96 = 101,398.12/x
  3. Step 3: Cross multiply
    134,785.48x = 202,020.96 × 101,398.12
  4. Step 4: Simplify right side
    134,785.48x = 20,484,545,544.60
  5. Step 5: Solve for x
    x = 20,484,545,544.60/134,785.48
  6. Step 6: Final answer
    x = 151,978.87

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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.