Home / 156,258.72-234,369.48-40,845.60

Finding the Fourth Proportional to 156,258.72, 234,369.48 and 40,845.60

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Solution

The fourth proportional to 156,258.72, 234,369.48 and 40,845.60 is: 61,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258.72 : 234,369.48 = 40,845.60 : x
  2. Step 2: Convert to fraction form
    156,258.72/234,369.48 = 40,845.60/x
  3. Step 3: Cross multiply
    156,258.72x = 234,369.48 × 40,845.60
  4. Step 4: Simplify right side
    156,258.72x = 9,572,962,032.29
  5. Step 5: Solve for x
    x = 9,572,962,032.29/156,258.72
  6. Step 6: Final answer
    x = 61,263.54

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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.