Home / 191,512.77-264,289.46-106,631.66

Finding the Fourth Proportional to 191,512.77, 264,289.46 and 106,631.66

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Solution

The fourth proportional to 191,512.77, 264,289.46 and 106,631.66 is: 147,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,512.77 : 264,289.46 = 106,631.66 : x
  2. Step 2: Convert to fraction form
    191,512.77/264,289.46 = 106,631.66/x
  3. Step 3: Cross multiply
    191,512.77x = 264,289.46 × 106,631.66
  4. Step 4: Simplify right side
    191,512.77x = 28,181,621,985.70
  5. Step 5: Solve for x
    x = 28,181,621,985.70/191,512.77
  6. Step 6: Final answer
    x = 147,152.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.