Home / 156,945.15-235,331.33-51,709.95

Finding the Fourth Proportional to 156,945.15, 235,331.33 and 51,709.95

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Solution

The fourth proportional to 156,945.15, 235,331.33 and 51,709.95 is: 77,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.15 : 235,331.33 = 51,709.95 : x
  2. Step 2: Convert to fraction form
    156,945.15/235,331.33 = 51,709.95/x
  3. Step 3: Cross multiply
    156,945.15x = 235,331.33 × 51,709.95
  4. Step 4: Simplify right side
    156,945.15x = 12,168,971,049.18
  5. Step 5: Solve for x
    x = 12,168,971,049.18/156,945.15
  6. Step 6: Final answer
    x = 77,536.46

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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.