Home / 147,298.08-203,272.68-83,637.24

Finding the Fourth Proportional to 147,298.08, 203,272.68 and 83,637.24

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Solution

The fourth proportional to 147,298.08, 203,272.68 and 83,637.24 is: 115,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,298.08 : 203,272.68 = 83,637.24 : x
  2. Step 2: Convert to fraction form
    147,298.08/203,272.68 = 83,637.24/x
  3. Step 3: Cross multiply
    147,298.08x = 203,272.68 × 83,637.24
  4. Step 4: Simplify right side
    147,298.08x = 17,001,165,922.60
  5. Step 5: Solve for x
    x = 17,001,165,922.60/147,298.08
  6. Step 6: Final answer
    x = 115,420.15

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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.