Home / 191,994.12-264,949.92-105,953.76

Finding the Fourth Proportional to 191,994.12, 264,949.92 and 105,953.76

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Solution

The fourth proportional to 191,994.12, 264,949.92 and 105,953.76 is: 146,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,994.12 : 264,949.92 = 105,953.76 : x
  2. Step 2: Convert to fraction form
    191,994.12/264,949.92 = 105,953.76/x
  3. Step 3: Cross multiply
    191,994.12x = 264,949.92 × 105,953.76
  4. Step 4: Simplify right side
    191,994.12x = 28,072,440,235.70
  5. Step 5: Solve for x
    x = 28,072,440,235.70/191,994.12
  6. Step 6: Final answer
    x = 146,215.10

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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.