Home / 198,259.77-273,598.73-107,615.69

Finding the Fourth Proportional to 198,259.77, 273,598.73 and 107,615.69

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Solution

The fourth proportional to 198,259.77, 273,598.73 and 107,615.69 is: 148,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,259.77 : 273,598.73 = 107,615.69 : x
  2. Step 2: Convert to fraction form
    198,259.77/273,598.73 = 107,615.69/x
  3. Step 3: Cross multiply
    198,259.77x = 273,598.73 × 107,615.69
  4. Step 4: Simplify right side
    198,259.77x = 29,443,514,206.00
  5. Step 5: Solve for x
    x = 29,443,514,206.00/198,259.77
  6. Step 6: Final answer
    x = 148,509.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.