Home / 122,371.66-183,386.73-66,090.53

Finding the Fourth Proportional to 122,371.66, 183,386.73 and 66,090.53

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Solution

The fourth proportional to 122,371.66, 183,386.73 and 66,090.53 is: 99,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,371.66 : 183,386.73 = 66,090.53 : x
  2. Step 2: Convert to fraction form
    122,371.66/183,386.73 = 66,090.53/x
  3. Step 3: Cross multiply
    122,371.66x = 183,386.73 × 66,090.53
  4. Step 4: Simplify right side
    122,371.66x = 12,120,126,886.97
  5. Step 5: Solve for x
    x = 12,120,126,886.97/122,371.66
  6. Step 6: Final answer
    x = 99,043.58

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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.