Home / 202,245.04-279,115.80-111,609.52

Finding the Fourth Proportional to 202,245.04, 279,115.80 and 111,609.52

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Solution

The fourth proportional to 202,245.04, 279,115.80 and 111,609.52 is: 154,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,245.04 : 279,115.80 = 111,609.52 : x
  2. Step 2: Convert to fraction form
    202,245.04/279,115.80 = 111,609.52/x
  3. Step 3: Cross multiply
    202,245.04x = 279,115.80 × 111,609.52
  4. Step 4: Simplify right side
    202,245.04x = 31,151,980,462.42
  5. Step 5: Solve for x
    x = 31,151,980,462.42/202,245.04
  6. Step 6: Final answer
    x = 154,030.87

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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.