Home / 147,284.04-203,253.33-83,623.20

Finding the Fourth Proportional to 147,284.04, 203,253.33 and 83,623.20

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Solution

The fourth proportional to 147,284.04, 203,253.33 and 83,623.20 is: 115,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,284.04 : 203,253.33 = 83,623.20 : x
  2. Step 2: Convert to fraction form
    147,284.04/203,253.33 = 83,623.20/x
  3. Step 3: Cross multiply
    147,284.04x = 203,253.33 × 83,623.20
  4. Step 4: Simplify right side
    147,284.04x = 16,996,693,865.26
  5. Step 5: Solve for x
    x = 16,996,693,865.26/147,284.04
  6. Step 6: Final answer
    x = 115,400.79

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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.