Home / 160,145.44-239,622.96-100,703.20

Finding the Fourth Proportional to 160,145.44, 239,622.96 and 100,703.20

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Solution

The fourth proportional to 160,145.44, 239,622.96 and 100,703.20 is: 150,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,145.44 : 239,622.96 = 100,703.20 : x
  2. Step 2: Convert to fraction form
    160,145.44/239,622.96 = 100,703.20/x
  3. Step 3: Cross multiply
    160,145.44x = 239,622.96 × 100,703.20
  4. Step 4: Simplify right side
    160,145.44x = 24,130,798,865.47
  5. Step 5: Solve for x
    x = 24,130,798,865.47/160,145.44
  6. Step 6: Final answer
    x = 150,680.52

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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.