Home / 156,988.60-235,497.30-51,807.80

Finding the Fourth Proportional to 156,988.60, 235,497.30 and 51,807.80

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Solution

The fourth proportional to 156,988.60, 235,497.30 and 51,807.80 is: 77,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.60 : 235,497.30 = 51,807.80 : x
  2. Step 2: Convert to fraction form
    156,988.60/235,497.30 = 51,807.80/x
  3. Step 3: Cross multiply
    156,988.60x = 235,497.30 × 51,807.80
  4. Step 4: Simplify right side
    156,988.60x = 12,200,597,018.94
  5. Step 5: Solve for x
    x = 12,200,597,018.94/156,988.60
  6. Step 6: Final answer
    x = 77,716.45

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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.