Home / 112,293.45-154,991.00-74,059.83

Finding the Fourth Proportional to 112,293.45, 154,991.00 and 74,059.83

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Solution

The fourth proportional to 112,293.45, 154,991.00 and 74,059.83 is: 102,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293.45 : 154,991.00 = 74,059.83 : x
  2. Step 2: Convert to fraction form
    112,293.45/154,991.00 = 74,059.83/x
  3. Step 3: Cross multiply
    112,293.45x = 154,991.00 × 74,059.83
  4. Step 4: Simplify right side
    112,293.45x = 11,478,607,296.68
  5. Step 5: Solve for x
    x = 11,478,607,296.68/112,293.45
  6. Step 6: Final answer
    x = 102,219.74

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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.