Home / 130,977.59-196,326.48-74,696.49

Finding the Fourth Proportional to 130,977.59, 196,326.48 and 74,696.49

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Solution

The fourth proportional to 130,977.59, 196,326.48 and 74,696.49 is: 111,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,977.59 : 196,326.48 = 74,696.49 : x
  2. Step 2: Convert to fraction form
    130,977.59/196,326.48 = 74,696.49/x
  3. Step 3: Cross multiply
    130,977.59x = 196,326.48 × 74,696.49
  4. Step 4: Simplify right side
    130,977.59x = 14,664,898,950.06
  5. Step 5: Solve for x
    x = 14,664,898,950.06/130,977.59
  6. Step 6: Final answer
    x = 111,964.95

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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.