Home / 202,204.58-279,040.56-111,561.35

Finding the Fourth Proportional to 202,204.58, 279,040.56 and 111,561.35

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Solution

The fourth proportional to 202,204.58, 279,040.56 and 111,561.35 is: 153,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,204.58 : 279,040.56 = 111,561.35 : x
  2. Step 2: Convert to fraction form
    202,204.58/279,040.56 = 111,561.35/x
  3. Step 3: Cross multiply
    202,204.58x = 279,040.56 × 111,561.35
  4. Step 4: Simplify right side
    202,204.58x = 31,130,141,578.36
  5. Step 5: Solve for x
    x = 31,130,141,578.36/202,204.58
  6. Step 6: Final answer
    x = 153,953.69

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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.