Home / 202,206.33-279,042.89-111,563.10

Finding the Fourth Proportional to 202,206.33, 279,042.89 and 111,563.10

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Solution

The fourth proportional to 202,206.33, 279,042.89 and 111,563.10 is: 153,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,206.33 : 279,042.89 = 111,563.10 : x
  2. Step 2: Convert to fraction form
    202,206.33/279,042.89 = 111,563.10/x
  3. Step 3: Cross multiply
    202,206.33x = 279,042.89 × 111,563.10
  4. Step 4: Simplify right side
    202,206.33x = 31,130,889,283.54
  5. Step 5: Solve for x
    x = 31,130,889,283.54/202,206.33
  6. Step 6: Final answer
    x = 153,956.06

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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.