Home / 223,431.32-308,316.89-131,536.01

Finding the Fourth Proportional to 223,431.32, 308,316.89 and 131,536.01

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Solution

The fourth proportional to 223,431.32, 308,316.89 and 131,536.01 is: 181,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,431.32 : 308,316.89 = 131,536.01 : x
  2. Step 2: Convert to fraction form
    223,431.32/308,316.89 = 131,536.01/x
  3. Step 3: Cross multiply
    223,431.32x = 308,316.89 × 131,536.01
  4. Step 4: Simplify right side
    223,431.32x = 40,554,771,326.94
  5. Step 5: Solve for x
    x = 40,554,771,326.94/223,431.32
  6. Step 6: Final answer
    x = 181,508.90

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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.