Home / 133,162.57-183,764.05-76,573.95

Finding the Fourth Proportional to 133,162.57, 183,764.05 and 76,573.95

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Solution

The fourth proportional to 133,162.57, 183,764.05 and 76,573.95 is: 105,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,162.57 : 183,764.05 = 76,573.95 : x
  2. Step 2: Convert to fraction form
    133,162.57/183,764.05 = 76,573.95/x
  3. Step 3: Cross multiply
    133,162.57x = 183,764.05 × 76,573.95
  4. Step 4: Simplify right side
    133,162.57x = 14,071,539,176.50
  5. Step 5: Solve for x
    x = 14,071,539,176.50/133,162.57
  6. Step 6: Final answer
    x = 105,671.88

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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.