Home / 202,344.45-279,233.75-111,700.40

Finding the Fourth Proportional to 202,344.45, 279,233.75 and 111,700.40

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Solution

The fourth proportional to 202,344.45, 279,233.75 and 111,700.40 is: 154,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,344.45 : 279,233.75 = 111,700.40 : x
  2. Step 2: Convert to fraction form
    202,344.45/279,233.75 = 111,700.40/x
  3. Step 3: Cross multiply
    202,344.45x = 279,233.75 × 111,700.40
  4. Step 4: Simplify right side
    202,344.45x = 31,190,519,613.83
  5. Step 5: Solve for x
    x = 31,190,519,613.83/202,344.45
  6. Step 6: Final answer
    x = 154,145.66

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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.