Home / 147,395.61-203,411.39-83,744.19

Finding the Fourth Proportional to 147,395.61, 203,411.39 and 83,744.19

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Solution

The fourth proportional to 147,395.61, 203,411.39 and 83,744.19 is: 115,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,395.61 : 203,411.39 = 83,744.19 : x
  2. Step 2: Convert to fraction form
    147,395.61/203,411.39 = 83,744.19/x
  3. Step 3: Cross multiply
    147,395.61x = 203,411.39 × 83,744.19
  4. Step 4: Simplify right side
    147,395.61x = 17,034,521,673.60
  5. Step 5: Solve for x
    x = 17,034,521,673.60/147,395.61
  6. Step 6: Final answer
    x = 115,570.07

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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.