Home / 191,783.75-264,665.05-106,891.70

Finding the Fourth Proportional to 191,783.75, 264,665.05 and 106,891.70

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Solution

The fourth proportional to 191,783.75, 264,665.05 and 106,891.70 is: 147,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,783.75 : 264,665.05 = 106,891.70 : x
  2. Step 2: Convert to fraction form
    191,783.75/264,665.05 = 106,891.70/x
  3. Step 3: Cross multiply
    191,783.75x = 264,665.05 × 106,891.70
  4. Step 4: Simplify right side
    191,783.75x = 28,290,495,534.53
  5. Step 5: Solve for x
    x = 28,290,495,534.53/191,783.75
  6. Step 6: Final answer
    x = 147,512.48

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1.5x scale

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.