Home / 156,717.15-235,113.53-51,530.55

Finding the Fourth Proportional to 156,717.15, 235,113.53 and 51,530.55

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Solution

The fourth proportional to 156,717.15, 235,113.53 and 51,530.55 is: 77,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.15 : 235,113.53 = 51,530.55 : x
  2. Step 2: Convert to fraction form
    156,717.15/235,113.53 = 51,530.55/x
  3. Step 3: Cross multiply
    156,717.15x = 235,113.53 × 51,530.55
  4. Step 4: Simplify right side
    156,717.15x = 12,115,529,255.69
  5. Step 5: Solve for x
    x = 12,115,529,255.69/156,717.15
  6. Step 6: Final answer
    x = 77,308.25

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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.