Home / 114,463.28-171,660-79,151.60

Finding the Fourth Proportional to 114,463.28, 171,660 and 79,151.60

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Solution

The fourth proportional to 114,463.28, 171,660 and 79,151.60 is: 118,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,463.28 : 171,660 = 79,151.60 : x
  2. Step 2: Convert to fraction form
    114,463.28/171,660 = 79,151.60/x
  3. Step 3: Cross multiply
    114,463.28x = 171,660 × 79,151.60
  4. Step 4: Simplify right side
    114,463.28x = 13,587,163,656.00
  5. Step 5: Solve for x
    x = 13,587,163,656.00/114,463.28
  6. Step 6: Final answer
    x = 118,703.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.