Home / 130,243.66-194,495.50-111,326.10

Finding the Fourth Proportional to 130,243.66, 194,495.50 and 111,326.10

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Solution

The fourth proportional to 130,243.66, 194,495.50 and 111,326.10 is: 166,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,243.66 : 194,495.50 = 111,326.10 : x
  2. Step 2: Convert to fraction form
    130,243.66/194,495.50 = 111,326.10/x
  3. Step 3: Cross multiply
    130,243.66x = 194,495.50 × 111,326.10
  4. Step 4: Simplify right side
    130,243.66x = 21,652,425,482.55
  5. Step 5: Solve for x
    x = 21,652,425,482.55/130,243.66
  6. Step 6: Final answer
    x = 166,245.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.