Home / 157,002.80-235,158.60-110,001.20

Finding the Fourth Proportional to 157,002.80, 235,158.60 and 110,001.20

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Solution

The fourth proportional to 157,002.80, 235,158.60 and 110,001.20 is: 164,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,002.80 : 235,158.60 = 110,001.20 : x
  2. Step 2: Convert to fraction form
    157,002.80/235,158.60 = 110,001.20/x
  3. Step 3: Cross multiply
    157,002.80x = 235,158.60 × 110,001.20
  4. Step 4: Simplify right side
    157,002.80x = 25,867,728,190.32
  5. Step 5: Solve for x
    x = 25,867,728,190.32/157,002.80
  6. Step 6: Final answer
    x = 164,759.66

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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.