Home / 202,686.11-279,698.10-110,803.64

Finding the Fourth Proportional to 202,686.11, 279,698.10 and 110,803.64

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Solution

The fourth proportional to 202,686.11, 279,698.10 and 110,803.64 is: 152,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,686.11 : 279,698.10 = 110,803.64 : x
  2. Step 2: Convert to fraction form
    202,686.11/279,698.10 = 110,803.64/x
  3. Step 3: Cross multiply
    202,686.11x = 279,698.10 × 110,803.64
  4. Step 4: Simplify right side
    202,686.11x = 30,991,566,182.59
  5. Step 5: Solve for x
    x = 30,991,566,182.59/202,686.11
  6. Step 6: Final answer
    x = 152,904.25

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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.