Home / 223,432.32-308,318.26-131,537.01

Finding the Fourth Proportional to 223,432.32, 308,318.26 and 131,537.01

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Solution

The fourth proportional to 223,432.32, 308,318.26 and 131,537.01 is: 181,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,432.32 : 308,318.26 = 131,537.01 : x
  2. Step 2: Convert to fraction form
    223,432.32/308,318.26 = 131,537.01/x
  3. Step 3: Cross multiply
    223,432.32x = 308,318.26 × 131,537.01
  4. Step 4: Simplify right side
    223,432.32x = 40,555,262,048.80
  5. Step 5: Solve for x
    x = 40,555,262,048.80/223,432.32
  6. Step 6: Final answer
    x = 181,510.28

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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.