Home / 156,631.92-234,969.48-51,461.52

Finding the Fourth Proportional to 156,631.92, 234,969.48 and 51,461.52

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Solution

The fourth proportional to 156,631.92, 234,969.48 and 51,461.52 is: 77,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.92 : 234,969.48 = 51,461.52 : x
  2. Step 2: Convert to fraction form
    156,631.92/234,969.48 = 51,461.52/x
  3. Step 3: Cross multiply
    156,631.92x = 234,969.48 × 51,461.52
  4. Step 4: Simplify right side
    156,631.92x = 12,091,886,594.41
  5. Step 5: Solve for x
    x = 12,091,886,594.41/156,631.92
  6. Step 6: Final answer
    x = 77,199.38

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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.