Home / 156,005.60-234,046.20-45,197.60

Finding the Fourth Proportional to 156,005.60, 234,046.20 and 45,197.60

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Solution

The fourth proportional to 156,005.60, 234,046.20 and 45,197.60 is: 67,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,005.60 : 234,046.20 = 45,197.60 : x
  2. Step 2: Convert to fraction form
    156,005.60/234,046.20 = 45,197.60/x
  3. Step 3: Cross multiply
    156,005.60x = 234,046.20 × 45,197.60
  4. Step 4: Simplify right side
    156,005.60x = 10,578,326,529.12
  5. Step 5: Solve for x
    x = 10,578,326,529.12/156,005.60
  6. Step 6: Final answer
    x = 67,807.35

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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.