Home / 147,395.36-203,411.04-83,743.94

Finding the Fourth Proportional to 147,395.36, 203,411.04 and 83,743.94

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Solution

The fourth proportional to 147,395.36, 203,411.04 and 83,743.94 is: 115,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,395.36 : 203,411.04 = 83,743.94 : x
  2. Step 2: Convert to fraction form
    147,395.36/203,411.04 = 83,743.94/x
  3. Step 3: Cross multiply
    147,395.36x = 203,411.04 × 83,743.94
  4. Step 4: Simplify right side
    147,395.36x = 17,034,441,929.10
  5. Step 5: Solve for x
    x = 17,034,441,929.10/147,395.36
  6. Step 6: Final answer
    x = 115,569.73

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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.