Home / 147,387.70-203,549.43-101,566.48

Finding the Fourth Proportional to 147,387.70, 203,549.43 and 101,566.48

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Solution

The fourth proportional to 147,387.70, 203,549.43 and 101,566.48 is: 140,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,387.70 : 203,549.43 = 101,566.48 : x
  2. Step 2: Convert to fraction form
    147,387.70/203,549.43 = 101,566.48/x
  3. Step 3: Cross multiply
    147,387.70x = 203,549.43 × 101,566.48
  4. Step 4: Simplify right side
    147,387.70x = 20,673,799,111.11
  5. Step 5: Solve for x
    x = 20,673,799,111.11/147,387.70
  6. Step 6: Final answer
    x = 140,268.14

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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.