Home / 205,802.22-308,708.76-56,045.58

Finding the Fourth Proportional to 205,802.22, 308,708.76 and 56,045.58

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Solution

The fourth proportional to 205,802.22, 308,708.76 and 56,045.58 is: 84,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,802.22 : 308,708.76 = 56,045.58 : x
  2. Step 2: Convert to fraction form
    205,802.22/308,708.76 = 56,045.58/x
  3. Step 3: Cross multiply
    205,802.22x = 308,708.76 × 56,045.58
  4. Step 4: Simplify right side
    205,802.22x = 17,301,761,505.28
  5. Step 5: Solve for x
    x = 17,301,761,505.28/205,802.22
  6. Step 6: Final answer
    x = 84,069.85

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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.