Home / 135,532.80-203,260.32-46,782.72

Finding the Fourth Proportional to 135,532.80, 203,260.32 and 46,782.72

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Solution

The fourth proportional to 135,532.80, 203,260.32 and 46,782.72 is: 70,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,532.80 : 203,260.32 = 46,782.72 : x
  2. Step 2: Convert to fraction form
    135,532.80/203,260.32 = 46,782.72/x
  3. Step 3: Cross multiply
    135,532.80x = 203,260.32 × 46,782.72
  4. Step 4: Simplify right side
    135,532.80x = 9,509,070,637.67
  5. Step 5: Solve for x
    x = 9,509,070,637.67/135,532.80
  6. Step 6: Final answer
    x = 70,160.66

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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.