Home / 370,188.29-555,282.50-133,530.94

Finding the Fourth Proportional to 370,188.29, 555,282.50 and 133,530.94

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Solution

The fourth proportional to 370,188.29, 555,282.50 and 133,530.94 is: 200,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,188.29 : 555,282.50 = 133,530.94 : x
  2. Step 2: Convert to fraction form
    370,188.29/555,282.50 = 133,530.94/x
  3. Step 3: Cross multiply
    370,188.29x = 555,282.50 × 133,530.94
  4. Step 4: Simplify right side
    370,188.29x = 74,147,392,134.69
  5. Step 5: Solve for x
    x = 74,147,392,134.69/370,188.29
  6. Step 6: Final answer
    x = 200,296.43

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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.