Home / 147,293.52-203,265.09-83,641.02

Finding the Fourth Proportional to 147,293.52, 203,265.09 and 83,641.02

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Solution

The fourth proportional to 147,293.52, 203,265.09 and 83,641.02 is: 115,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,293.52 : 203,265.09 = 83,641.02 : x
  2. Step 2: Convert to fraction form
    147,293.52/203,265.09 = 83,641.02/x
  3. Step 3: Cross multiply
    147,293.52x = 203,265.09 × 83,641.02
  4. Step 4: Simplify right side
    147,293.52x = 17,001,299,457.99
  5. Step 5: Solve for x
    x = 17,001,299,457.99/147,293.52
  6. Step 6: Final answer
    x = 115,424.63

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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.