Home / 145,523.38-218,043.60-50,703.52

Finding the Fourth Proportional to 145,523.38, 218,043.60 and 50,703.52

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Solution

The fourth proportional to 145,523.38, 218,043.60 and 50,703.52 is: 75,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523.38 : 218,043.60 = 50,703.52 : x
  2. Step 2: Convert to fraction form
    145,523.38/218,043.60 = 50,703.52/x
  3. Step 3: Cross multiply
    145,523.38x = 218,043.60 × 50,703.52
  4. Step 4: Simplify right side
    145,523.38x = 11,055,578,033.47
  5. Step 5: Solve for x
    x = 11,055,578,033.47/145,523.38
  6. Step 6: Final answer
    x = 75,971.15

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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.