Home / 191,985.50-264,947.20-107,118.92

Finding the Fourth Proportional to 191,985.50, 264,947.20 and 107,118.92

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Solution

The fourth proportional to 191,985.50, 264,947.20 and 107,118.92 is: 147,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,985.50 : 264,947.20 = 107,118.92 : x
  2. Step 2: Convert to fraction form
    191,985.50/264,947.20 = 107,118.92/x
  3. Step 3: Cross multiply
    191,985.50x = 264,947.20 × 107,118.92
  4. Step 4: Simplify right side
    191,985.50x = 28,380,857,921.02
  5. Step 5: Solve for x
    x = 28,380,857,921.02/191,985.50
  6. Step 6: Final answer
    x = 147,828.13

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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.