Home / 130,715.27-196,068.79-37,221.02

Finding the Fourth Proportional to 130,715.27, 196,068.79 and 37,221.02

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Solution

The fourth proportional to 130,715.27, 196,068.79 and 37,221.02 is: 55,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,715.27 : 196,068.79 = 37,221.02 : x
  2. Step 2: Convert to fraction form
    130,715.27/196,068.79 = 37,221.02/x
  3. Step 3: Cross multiply
    130,715.27x = 196,068.79 × 37,221.02
  4. Step 4: Simplify right side
    130,715.27x = 7,297,880,890.66
  5. Step 5: Solve for x
    x = 7,297,880,890.66/130,715.27
  6. Step 6: Final answer
    x = 55,830.36

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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.