Home / 185,001.40-255,239.61-120,441.16

Finding the Fourth Proportional to 185,001.40, 255,239.61 and 120,441.16

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Solution

The fourth proportional to 185,001.40, 255,239.61 and 120,441.16 is: 166,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,001.40 : 255,239.61 = 120,441.16 : x
  2. Step 2: Convert to fraction form
    185,001.40/255,239.61 = 120,441.16/x
  3. Step 3: Cross multiply
    185,001.40x = 255,239.61 × 120,441.16
  4. Step 4: Simplify right side
    185,001.40x = 30,741,354,706.35
  5. Step 5: Solve for x
    x = 30,741,354,706.35/185,001.40
  6. Step 6: Final answer
    x = 166,168.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.