Home / 106,999.24-160,499.66-28,113.32

Finding the Fourth Proportional to 106,999.24, 160,499.66 and 28,113.32

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Solution

The fourth proportional to 106,999.24, 160,499.66 and 28,113.32 is: 42,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,999.24 : 160,499.66 = 28,113.32 : x
  2. Step 2: Convert to fraction form
    106,999.24/160,499.66 = 28,113.32/x
  3. Step 3: Cross multiply
    106,999.24x = 160,499.66 × 28,113.32
  4. Step 4: Simplify right side
    106,999.24x = 4,512,178,301.47
  5. Step 5: Solve for x
    x = 4,512,178,301.47/106,999.24
  6. Step 6: Final answer
    x = 42,170.19

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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.