Home / 127,795.68-191,783.16-52,917.12

Finding the Fourth Proportional to 127,795.68, 191,783.16 and 52,917.12

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Solution

The fourth proportional to 127,795.68, 191,783.16 and 52,917.12 is: 79,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,795.68 : 191,783.16 = 52,917.12 : x
  2. Step 2: Convert to fraction form
    127,795.68/191,783.16 = 52,917.12/x
  3. Step 3: Cross multiply
    127,795.68x = 191,783.16 × 52,917.12
  4. Step 4: Simplify right side
    127,795.68x = 10,148,612,491.70
  5. Step 5: Solve for x
    x = 10,148,612,491.70/127,795.68
  6. Step 6: Final answer
    x = 79,412.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.