Home / 112,535.28-168,615.48-79,185.27

Finding the Fourth Proportional to 112,535.28, 168,615.48 and 79,185.27

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Solution

The fourth proportional to 112,535.28, 168,615.48 and 79,185.27 is: 118,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,535.28 : 168,615.48 = 79,185.27 : x
  2. Step 2: Convert to fraction form
    112,535.28/168,615.48 = 79,185.27/x
  3. Step 3: Cross multiply
    112,535.28x = 168,615.48 × 79,185.27
  4. Step 4: Simplify right side
    112,535.28x = 13,351,862,309.98
  5. Step 5: Solve for x
    x = 13,351,862,309.98/112,535.28
  6. Step 6: Final answer
    x = 118,646.01

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1.5x scale

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.