Home / 116,777.25-161,152.79-66,476.25

Finding the Fourth Proportional to 116,777.25, 161,152.79 and 66,476.25

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Solution

The fourth proportional to 116,777.25, 161,152.79 and 66,476.25 is: 91,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,777.25 : 161,152.79 = 66,476.25 : x
  2. Step 2: Convert to fraction form
    116,777.25/161,152.79 = 66,476.25/x
  3. Step 3: Cross multiply
    116,777.25x = 161,152.79 × 66,476.25
  4. Step 4: Simplify right side
    116,777.25x = 10,712,832,823.86
  5. Step 5: Solve for x
    x = 10,712,832,823.86/116,777.25
  6. Step 6: Final answer
    x = 91,737.33

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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.