Home / 202,332.42-279,219.71-111,686.73

Finding the Fourth Proportional to 202,332.42, 279,219.71 and 111,686.73

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Solution

The fourth proportional to 202,332.42, 279,219.71 and 111,686.73 is: 154,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,332.42 : 279,219.71 = 111,686.73 : x
  2. Step 2: Convert to fraction form
    202,332.42/279,219.71 = 111,686.73/x
  3. Step 3: Cross multiply
    202,332.42x = 279,219.71 × 111,686.73
  4. Step 4: Simplify right side
    202,332.42x = 31,185,135,803.01
  5. Step 5: Solve for x
    x = 31,185,135,803.01/202,332.42
  6. Step 6: Final answer
    x = 154,128.22

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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.