Home / 152,531.60-228,840.60-47,361.20

Finding the Fourth Proportional to 152,531.60, 228,840.60 and 47,361.20

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Solution

The fourth proportional to 152,531.60, 228,840.60 and 47,361.20 is: 71,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,531.60 : 228,840.60 = 47,361.20 : x
  2. Step 2: Convert to fraction form
    152,531.60/228,840.60 = 47,361.20/x
  3. Step 3: Cross multiply
    152,531.60x = 228,840.60 × 47,361.20
  4. Step 4: Simplify right side
    152,531.60x = 10,838,165,424.72
  5. Step 5: Solve for x
    x = 10,838,165,424.72/152,531.60
  6. Step 6: Final answer
    x = 71,055.21

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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.