Home / 194,815.10-292,222.65-111,640.70

Finding the Fourth Proportional to 194,815.10, 292,222.65 and 111,640.70

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Solution

The fourth proportional to 194,815.10, 292,222.65 and 111,640.70 is: 167,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,815.10 : 292,222.65 = 111,640.70 : x
  2. Step 2: Convert to fraction form
    194,815.10/292,222.65 = 111,640.70/x
  3. Step 3: Cross multiply
    194,815.10x = 292,222.65 × 111,640.70
  4. Step 4: Simplify right side
    194,815.10x = 32,623,941,201.86
  5. Step 5: Solve for x
    x = 32,623,941,201.86/194,815.10
  6. Step 6: Final answer
    x = 167,461.05

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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.