Home / 112,887.83-168,999.57-75,354.81

Finding the Fourth Proportional to 112,887.83, 168,999.57 and 75,354.81

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Solution

The fourth proportional to 112,887.83, 168,999.57 and 75,354.81 is: 112,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,887.83 : 168,999.57 = 75,354.81 : x
  2. Step 2: Convert to fraction form
    112,887.83/168,999.57 = 75,354.81/x
  3. Step 3: Cross multiply
    112,887.83x = 168,999.57 × 75,354.81
  4. Step 4: Simplify right side
    112,887.83x = 12,734,929,853.68
  5. Step 5: Solve for x
    x = 12,734,929,853.68/112,887.83
  6. Step 6: Final answer
    x = 112,810.47

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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.