Home / 145,121.34-217,721.38-60,837.18

Finding the Fourth Proportional to 145,121.34, 217,721.38 and 60,837.18

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Solution

The fourth proportional to 145,121.34, 217,721.38 and 60,837.18 is: 91,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,121.34 : 217,721.38 = 60,837.18 : x
  2. Step 2: Convert to fraction form
    145,121.34/217,721.38 = 60,837.18/x
  3. Step 3: Cross multiply
    145,121.34x = 217,721.38 × 60,837.18
  4. Step 4: Simplify right side
    145,121.34x = 13,245,554,784.91
  5. Step 5: Solve for x
    x = 13,245,554,784.91/145,121.34
  6. Step 6: Final answer
    x = 91,272.27

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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.