Home / 202,555.29-279,529.23-111,913.34

Finding the Fourth Proportional to 202,555.29, 279,529.23 and 111,913.34

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Solution

The fourth proportional to 202,555.29, 279,529.23 and 111,913.34 is: 154,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,555.29 : 279,529.23 = 111,913.34 : x
  2. Step 2: Convert to fraction form
    202,555.29/279,529.23 = 111,913.34/x
  3. Step 3: Cross multiply
    202,555.29x = 279,529.23 × 111,913.34
  4. Step 4: Simplify right side
    202,555.29x = 31,283,049,756.93
  5. Step 5: Solve for x
    x = 31,283,049,756.93/202,555.29
  6. Step 6: Final answer
    x = 154,442.03

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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.