Home / 223,813.12-335,555.28-105,417.76

Finding the Fourth Proportional to 223,813.12, 335,555.28 and 105,417.76

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Solution

The fourth proportional to 223,813.12, 335,555.28 and 105,417.76 is: 158,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,813.12 : 335,555.28 = 105,417.76 : x
  2. Step 2: Convert to fraction form
    223,813.12/335,555.28 = 105,417.76/x
  3. Step 3: Cross multiply
    223,813.12x = 335,555.28 × 105,417.76
  4. Step 4: Simplify right side
    223,813.12x = 35,373,485,973.77
  5. Step 5: Solve for x
    x = 35,373,485,973.77/223,813.12
  6. Step 6: Final answer
    x = 158,049.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.