Home / 129,663.40-194,495.10-116,530.60

Finding the Fourth Proportional to 129,663.40, 194,495.10 and 116,530.60

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Solution

The fourth proportional to 129,663.40, 194,495.10 and 116,530.60 is: 174,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,663.40 : 194,495.10 = 116,530.60 : x
  2. Step 2: Convert to fraction form
    129,663.40/194,495.10 = 116,530.60/x
  3. Step 3: Cross multiply
    129,663.40x = 194,495.10 × 116,530.60
  4. Step 4: Simplify right side
    129,663.40x = 22,664,630,700.06
  5. Step 5: Solve for x
    x = 22,664,630,700.06/129,663.40
  6. Step 6: Final answer
    x = 174,795.90

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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.