Home / 156,738.65-235,107.98-51,543.95

Finding the Fourth Proportional to 156,738.65, 235,107.98 and 51,543.95

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Solution

The fourth proportional to 156,738.65, 235,107.98 and 51,543.95 is: 77,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.65 : 235,107.98 = 51,543.95 : x
  2. Step 2: Convert to fraction form
    156,738.65/235,107.98 = 51,543.95/x
  3. Step 3: Cross multiply
    156,738.65x = 235,107.98 × 51,543.95
  4. Step 4: Simplify right side
    156,738.65x = 12,118,393,965.72
  5. Step 5: Solve for x
    x = 12,118,393,965.72/156,738.65
  6. Step 6: Final answer
    x = 77,315.93

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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.