Home / 151,508.30-209,080.62-83,525.02

Finding the Fourth Proportional to 151,508.30, 209,080.62 and 83,525.02

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Solution

The fourth proportional to 151,508.30, 209,080.62 and 83,525.02 is: 115,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,508.30 : 209,080.62 = 83,525.02 : x
  2. Step 2: Convert to fraction form
    151,508.30/209,080.62 = 83,525.02/x
  3. Step 3: Cross multiply
    151,508.30x = 209,080.62 × 83,525.02
  4. Step 4: Simplify right side
    151,508.30x = 17,463,463,385.58
  5. Step 5: Solve for x
    x = 17,463,463,385.58/151,508.30
  6. Step 6: Final answer
    x = 115,264.07

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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.