Home / 112,633.07-155,447.78-73,903.46

Finding the Fourth Proportional to 112,633.07, 155,447.78 and 73,903.46

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Solution

The fourth proportional to 112,633.07, 155,447.78 and 73,903.46 is: 101,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,633.07 : 155,447.78 = 73,903.46 : x
  2. Step 2: Convert to fraction form
    112,633.07/155,447.78 = 73,903.46/x
  3. Step 3: Cross multiply
    112,633.07x = 155,447.78 × 73,903.46
  4. Step 4: Simplify right side
    112,633.07x = 11,488,127,644.56
  5. Step 5: Solve for x
    x = 11,488,127,644.56/112,633.07
  6. Step 6: Final answer
    x = 101,996.05

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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.