Home / 223,844.12-308,895.54-123,235.64

Finding the Fourth Proportional to 223,844.12, 308,895.54 and 123,235.64

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Solution

The fourth proportional to 223,844.12, 308,895.54 and 123,235.64 is: 170,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,844.12 : 308,895.54 = 123,235.64 : x
  2. Step 2: Convert to fraction form
    223,844.12/308,895.54 = 123,235.64/x
  3. Step 3: Cross multiply
    223,844.12x = 308,895.54 × 123,235.64
  4. Step 4: Simplify right side
    223,844.12x = 38,066,939,565.05
  5. Step 5: Solve for x
    x = 38,066,939,565.05/223,844.12
  6. Step 6: Final answer
    x = 170,060.04

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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.