Home / 191,127.92-263,694.88-106,228.60

Finding the Fourth Proportional to 191,127.92, 263,694.88 and 106,228.60

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Solution

The fourth proportional to 191,127.92, 263,694.88 and 106,228.60 is: 146,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,127.92 : 263,694.88 = 106,228.60 : x
  2. Step 2: Convert to fraction form
    191,127.92/263,694.88 = 106,228.60/x
  3. Step 3: Cross multiply
    191,127.92x = 263,694.88 × 106,228.60
  4. Step 4: Simplify right side
    191,127.92x = 28,011,937,929.57
  5. Step 5: Solve for x
    x = 28,011,937,929.57/191,127.92
  6. Step 6: Final answer
    x = 146,561.20

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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.