Home / 156,963.28-235,421.88-51,768.76

Finding the Fourth Proportional to 156,963.28, 235,421.88 and 51,768.76

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Solution

The fourth proportional to 156,963.28, 235,421.88 and 51,768.76 is: 77,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963.28 : 235,421.88 = 51,768.76 : x
  2. Step 2: Convert to fraction form
    156,963.28/235,421.88 = 51,768.76/x
  3. Step 3: Cross multiply
    156,963.28x = 235,421.88 × 51,768.76
  4. Step 4: Simplify right side
    156,963.28x = 12,187,498,804.47
  5. Step 5: Solve for x
    x = 12,187,498,804.47/156,963.28
  6. Step 6: Final answer
    x = 77,645.54

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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.