Home / 156,984.48-235,484.88-51,811.68

Finding the Fourth Proportional to 156,984.48, 235,484.88 and 51,811.68

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Solution

The fourth proportional to 156,984.48, 235,484.88 and 51,811.68 is: 77,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.48 : 235,484.88 = 51,811.68 : x
  2. Step 2: Convert to fraction form
    156,984.48/235,484.88 = 51,811.68/x
  3. Step 3: Cross multiply
    156,984.48x = 235,484.88 × 51,811.68
  4. Step 4: Simplify right side
    156,984.48x = 12,200,867,247.40
  5. Step 5: Solve for x
    x = 12,200,867,247.40/156,984.48
  6. Step 6: Final answer
    x = 77,720.21

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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.