Home / 112,010.10-168,015.15-106,566.90

Finding the Fourth Proportional to 112,010.10, 168,015.15 and 106,566.90

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Solution

The fourth proportional to 112,010.10, 168,015.15 and 106,566.90 is: 159,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.10 : 168,015.15 = 106,566.90 : x
  2. Step 2: Convert to fraction form
    112,010.10/168,015.15 = 106,566.90/x
  3. Step 3: Cross multiply
    112,010.10x = 168,015.15 × 106,566.90
  4. Step 4: Simplify right side
    112,010.10x = 17,904,853,688.54
  5. Step 5: Solve for x
    x = 17,904,853,688.54/112,010.10
  6. Step 6: Final answer
    x = 159,850.35

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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.