Home / 110,865.24-153,999.29-109,148.18

Finding the Fourth Proportional to 110,865.24, 153,999.29 and 109,148.18

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Solution

The fourth proportional to 110,865.24, 153,999.29 and 109,148.18 is: 151,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,865.24 : 153,999.29 = 109,148.18 : x
  2. Step 2: Convert to fraction form
    110,865.24/153,999.29 = 109,148.18/x
  3. Step 3: Cross multiply
    110,865.24x = 153,999.29 × 109,148.18
  4. Step 4: Simplify right side
    110,865.24x = 16,808,741,727.67
  5. Step 5: Solve for x
    x = 16,808,741,727.67/110,865.24
  6. Step 6: Final answer
    x = 151,614.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.