Home / 202,347.37-279,232.05-111,701.39

Finding the Fourth Proportional to 202,347.37, 279,232.05 and 111,701.39

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Solution

The fourth proportional to 202,347.37, 279,232.05 and 111,701.39 is: 154,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,347.37 : 279,232.05 = 111,701.39 : x
  2. Step 2: Convert to fraction form
    202,347.37/279,232.05 = 111,701.39/x
  3. Step 3: Cross multiply
    202,347.37x = 279,232.05 × 111,701.39
  4. Step 4: Simplify right side
    202,347.37x = 31,190,608,117.55
  5. Step 5: Solve for x
    x = 31,190,608,117.55/202,347.37
  6. Step 6: Final answer
    x = 154,143.88

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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.