Home / 225,681.46-338,434.68-120,443.02

Finding the Fourth Proportional to 225,681.46, 338,434.68 and 120,443.02

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Solution

The fourth proportional to 225,681.46, 338,434.68 and 120,443.02 is: 180,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,681.46 : 338,434.68 = 120,443.02 : x
  2. Step 2: Convert to fraction form
    225,681.46/338,434.68 = 120,443.02/x
  3. Step 3: Cross multiply
    225,681.46x = 338,434.68 × 120,443.02
  4. Step 4: Simplify right side
    225,681.46x = 40,762,094,931.93
  5. Step 5: Solve for x
    x = 40,762,094,931.93/225,681.46
  6. Step 6: Final answer
    x = 180,617.83

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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.