Home / 156,977.55-235,466.33-51,790.95

Finding the Fourth Proportional to 156,977.55, 235,466.33 and 51,790.95

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Solution

The fourth proportional to 156,977.55, 235,466.33 and 51,790.95 is: 77,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,977.55 : 235,466.33 = 51,790.95 : x
  2. Step 2: Convert to fraction form
    156,977.55/235,466.33 = 51,790.95/x
  3. Step 3: Cross multiply
    156,977.55x = 235,466.33 × 51,790.95
  4. Step 4: Simplify right side
    156,977.55x = 12,195,024,664.76
  5. Step 5: Solve for x
    x = 12,195,024,664.76/156,977.55
  6. Step 6: Final answer
    x = 77,686.43

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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.