Home / 127,852.37-191,833.87-68,618.85

Finding the Fourth Proportional to 127,852.37, 191,833.87 and 68,618.85

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Solution

The fourth proportional to 127,852.37, 191,833.87 and 68,618.85 is: 102,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852.37 : 191,833.87 = 68,618.85 : x
  2. Step 2: Convert to fraction form
    127,852.37/191,833.87 = 68,618.85/x
  3. Step 3: Cross multiply
    127,852.37x = 191,833.87 × 68,618.85
  4. Step 4: Simplify right side
    127,852.37x = 13,163,418,788.19
  5. Step 5: Solve for x
    x = 13,163,418,788.19/127,852.37
  6. Step 6: Final answer
    x = 102,957.95

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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.