Home / 153,736.48-230,611.60-47,112.72

Finding the Fourth Proportional to 153,736.48, 230,611.60 and 47,112.72

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Solution

The fourth proportional to 153,736.48, 230,611.60 and 47,112.72 is: 70,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,736.48 : 230,611.60 = 47,112.72 : x
  2. Step 2: Convert to fraction form
    153,736.48/230,611.60 = 47,112.72/x
  3. Step 3: Cross multiply
    153,736.48x = 230,611.60 × 47,112.72
  4. Step 4: Simplify right side
    153,736.48x = 10,864,739,739.55
  5. Step 5: Solve for x
    x = 10,864,739,739.55/153,736.48
  6. Step 6: Final answer
    x = 70,671.19

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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.