Home / 151,824.65-209,573.93-91,398.11

Finding the Fourth Proportional to 151,824.65, 209,573.93 and 91,398.11

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Solution

The fourth proportional to 151,824.65, 209,573.93 and 91,398.11 is: 126,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,824.65 : 209,573.93 = 91,398.11 : x
  2. Step 2: Convert to fraction form
    151,824.65/209,573.93 = 91,398.11/x
  3. Step 3: Cross multiply
    151,824.65x = 209,573.93 × 91,398.11
  4. Step 4: Simplify right side
    151,824.65x = 19,154,660,287.90
  5. Step 5: Solve for x
    x = 19,154,660,287.90/151,824.65
  6. Step 6: Final answer
    x = 126,163.05

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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.