Home / 191,212.48-263,928.84-127,550.12

Finding the Fourth Proportional to 191,212.48, 263,928.84 and 127,550.12

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Solution

The fourth proportional to 191,212.48, 263,928.84 and 127,550.12 is: 176,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,212.48 : 263,928.84 = 127,550.12 : x
  2. Step 2: Convert to fraction form
    191,212.48/263,928.84 = 127,550.12/x
  3. Step 3: Cross multiply
    191,212.48x = 263,928.84 × 127,550.12
  4. Step 4: Simplify right side
    191,212.48x = 33,664,155,213.46
  5. Step 5: Solve for x
    x = 33,664,155,213.46/191,212.48
  6. Step 6: Final answer
    x = 176,056.27

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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.