Home / 112,138.76-168,236.50-37,259.30

Finding the Fourth Proportional to 112,138.76, 168,236.50 and 37,259.30

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Solution

The fourth proportional to 112,138.76, 168,236.50 and 37,259.30 is: 55,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,138.76 : 168,236.50 = 37,259.30 : x
  2. Step 2: Convert to fraction form
    112,138.76/168,236.50 = 37,259.30/x
  3. Step 3: Cross multiply
    112,138.76x = 168,236.50 × 37,259.30
  4. Step 4: Simplify right side
    112,138.76x = 6,268,374,224.45
  5. Step 5: Solve for x
    x = 6,268,374,224.45/112,138.76
  6. Step 6: Final answer
    x = 55,898.37

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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.