Home / 134,820.33-186,053.07-74,393.22

Finding the Fourth Proportional to 134,820.33, 186,053.07 and 74,393.22

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Solution

The fourth proportional to 134,820.33, 186,053.07 and 74,393.22 is: 102,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,820.33 : 186,053.07 = 74,393.22 : x
  2. Step 2: Convert to fraction form
    134,820.33/186,053.07 = 74,393.22/x
  3. Step 3: Cross multiply
    134,820.33x = 186,053.07 × 74,393.22
  4. Step 4: Simplify right side
    134,820.33x = 13,841,086,968.19
  5. Step 5: Solve for x
    x = 13,841,086,968.19/134,820.33
  6. Step 6: Final answer
    x = 102,663.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.