Home / 223,417.14-335,364.45-90,384.36

Finding the Fourth Proportional to 223,417.14, 335,364.45 and 90,384.36

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Solution

The fourth proportional to 223,417.14, 335,364.45 and 90,384.36 is: 135,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,417.14 : 335,364.45 = 90,384.36 : x
  2. Step 2: Convert to fraction form
    223,417.14/335,364.45 = 90,384.36/x
  3. Step 3: Cross multiply
    223,417.14x = 335,364.45 × 90,384.36
  4. Step 4: Simplify right side
    223,417.14x = 30,311,701,180.00
  5. Step 5: Solve for x
    x = 30,311,701,180.00/223,417.14
  6. Step 6: Final answer
    x = 135,673.12

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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.