Home / 110,111.26-151,808.95-79,458.63

Finding the Fourth Proportional to 110,111.26, 151,808.95 and 79,458.63

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Solution

The fourth proportional to 110,111.26, 151,808.95 and 79,458.63 is: 109,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,111.26 : 151,808.95 = 79,458.63 : x
  2. Step 2: Convert to fraction form
    110,111.26/151,808.95 = 79,458.63/x
  3. Step 3: Cross multiply
    110,111.26x = 151,808.95 × 79,458.63
  4. Step 4: Simplify right side
    110,111.26x = 12,062,530,791.45
  5. Step 5: Solve for x
    x = 12,062,530,791.45/110,111.26
  6. Step 6: Final answer
    x = 109,548.57

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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.