Home / 151,507.23-209,080.62-83,522.65

Finding the Fourth Proportional to 151,507.23, 209,080.62 and 83,522.65

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Solution

The fourth proportional to 151,507.23, 209,080.62 and 83,522.65 is: 115,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,507.23 : 209,080.62 = 83,522.65 : x
  2. Step 2: Convert to fraction form
    151,507.23/209,080.62 = 83,522.65/x
  3. Step 3: Cross multiply
    151,507.23x = 209,080.62 × 83,522.65
  4. Step 4: Simplify right side
    151,507.23x = 17,462,965,983.03
  5. Step 5: Solve for x
    x = 17,462,965,983.03/151,507.23
  6. Step 6: Final answer
    x = 115,261.60

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1.5x scale

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.