Home / 123,531.48-183,708-119,594.88

Finding the Fourth Proportional to 123,531.48, 183,708 and 119,594.88

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Solution

The fourth proportional to 123,531.48, 183,708 and 119,594.88 is: 177,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,531.48 : 183,708 = 119,594.88 : x
  2. Step 2: Convert to fraction form
    123,531.48/183,708 = 119,594.88/x
  3. Step 3: Cross multiply
    123,531.48x = 183,708 × 119,594.88
  4. Step 4: Simplify right side
    123,531.48x = 21,970,536,215.04
  5. Step 5: Solve for x
    x = 21,970,536,215.04/123,531.48
  6. Step 6: Final answer
    x = 177,853.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.