Home / 156,927.67-216,555.69-88,950.95

Finding the Fourth Proportional to 156,927.67, 216,555.69 and 88,950.95

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Solution

The fourth proportional to 156,927.67, 216,555.69 and 88,950.95 is: 122,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927.67 : 216,555.69 = 88,950.95 : x
  2. Step 2: Convert to fraction form
    156,927.67/216,555.69 = 88,950.95/x
  3. Step 3: Cross multiply
    156,927.67x = 216,555.69 × 88,950.95
  4. Step 4: Simplify right side
    156,927.67x = 19,262,834,353.41
  5. Step 5: Solve for x
    x = 19,262,834,353.41/156,927.67
  6. Step 6: Final answer
    x = 122,749.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.