Home / 202,199.20-279,038.46-111,560.20

Finding the Fourth Proportional to 202,199.20, 279,038.46 and 111,560.20

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Solution

The fourth proportional to 202,199.20, 279,038.46 and 111,560.20 is: 153,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,199.20 : 279,038.46 = 111,560.20 : x
  2. Step 2: Convert to fraction form
    202,199.20/279,038.46 = 111,560.20/x
  3. Step 3: Cross multiply
    202,199.20x = 279,038.46 × 111,560.20
  4. Step 4: Simplify right side
    202,199.20x = 31,129,586,405.29
  5. Step 5: Solve for x
    x = 31,129,586,405.29/202,199.20
  6. Step 6: Final answer
    x = 153,955.04

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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.