Home / 292,437.24-438,697.65-90,050.43

Finding the Fourth Proportional to 292,437.24, 438,697.65 and 90,050.43

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Solution

The fourth proportional to 292,437.24, 438,697.65 and 90,050.43 is: 135,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,437.24 : 438,697.65 = 90,050.43 : x
  2. Step 2: Convert to fraction form
    292,437.24/438,697.65 = 90,050.43/x
  3. Step 3: Cross multiply
    292,437.24x = 438,697.65 × 90,050.43
  4. Step 4: Simplify right side
    292,437.24x = 39,504,912,022.49
  5. Step 5: Solve for x
    x = 39,504,912,022.49/292,437.24
  6. Step 6: Final answer
    x = 135,088.51

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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.