Home / 151,777.51-209,453.28-83,794.62

Finding the Fourth Proportional to 151,777.51, 209,453.28 and 83,794.62

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Solution

The fourth proportional to 151,777.51, 209,453.28 and 83,794.62 is: 115,636.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,777.51 : 209,453.28 = 83,794.62 : x
  2. Step 2: Convert to fraction form
    151,777.51/209,453.28 = 83,794.62/x
  3. Step 3: Cross multiply
    151,777.51x = 209,453.28 × 83,794.62
  4. Step 4: Simplify right side
    151,777.51x = 17,551,057,272.23
  5. Step 5: Solve for x
    x = 17,551,057,272.23/151,777.51
  6. Step 6: Final answer
    x = 115,636.74

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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.