Home / 156,686.36-235,005.20-51,504.60

Finding the Fourth Proportional to 156,686.36, 235,005.20 and 51,504.60

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Solution

The fourth proportional to 156,686.36, 235,005.20 and 51,504.60 is: 77,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,686.36 : 235,005.20 = 51,504.60 : x
  2. Step 2: Convert to fraction form
    156,686.36/235,005.20 = 51,504.60/x
  3. Step 3: Cross multiply
    156,686.36x = 235,005.20 × 51,504.60
  4. Step 4: Simplify right side
    156,686.36x = 12,103,848,823.92
  5. Step 5: Solve for x
    x = 12,103,848,823.92/156,686.36
  6. Step 6: Final answer
    x = 77,248.90

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1.5x scale

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.