Home / 153,334.54-211,601.65-85,350.05

Finding the Fourth Proportional to 153,334.54, 211,601.65 and 85,350.05

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Solution

The fourth proportional to 153,334.54, 211,601.65 and 85,350.05 is: 117,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,334.54 : 211,601.65 = 85,350.05 : x
  2. Step 2: Convert to fraction form
    153,334.54/211,601.65 = 85,350.05/x
  3. Step 3: Cross multiply
    153,334.54x = 211,601.65 × 85,350.05
  4. Step 4: Simplify right side
    153,334.54x = 18,060,211,194.21
  5. Step 5: Solve for x
    x = 18,060,211,194.21/153,334.54
  6. Step 6: Final answer
    x = 117,783.06

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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.