Home / 147,395.86-203,411.73-83,744.44

Finding the Fourth Proportional to 147,395.86, 203,411.73 and 83,744.44

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Solution

The fourth proportional to 147,395.86, 203,411.73 and 83,744.44 is: 115,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,395.86 : 203,411.73 = 83,744.44 : x
  2. Step 2: Convert to fraction form
    147,395.86/203,411.73 = 83,744.44/x
  3. Step 3: Cross multiply
    147,395.86x = 203,411.73 × 83,744.44
  4. Step 4: Simplify right side
    147,395.86x = 17,034,601,418.28
  5. Step 5: Solve for x
    x = 17,034,601,418.28/147,395.86
  6. Step 6: Final answer
    x = 115,570.42

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1.5x scale

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.