Home / 109,666.80-151,338.78-59,365.80

Finding the Fourth Proportional to 109,666.80, 151,338.78 and 59,365.80

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Solution

The fourth proportional to 109,666.80, 151,338.78 and 59,365.80 is: 81,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,666.80 : 151,338.78 = 59,365.80 : x
  2. Step 2: Convert to fraction form
    109,666.80/151,338.78 = 59,365.80/x
  3. Step 3: Cross multiply
    109,666.80x = 151,338.78 × 59,365.80
  4. Step 4: Simplify right side
    109,666.80x = 8,984,347,745.72
  5. Step 5: Solve for x
    x = 8,984,347,745.72/109,666.80
  6. Step 6: Final answer
    x = 81,924.04

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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.