Home / 127,945.96-191,877.36-42,533.86

Finding the Fourth Proportional to 127,945.96, 191,877.36 and 42,533.86

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Solution

The fourth proportional to 127,945.96, 191,877.36 and 42,533.86 is: 63,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.96 : 191,877.36 = 42,533.86 : x
  2. Step 2: Convert to fraction form
    127,945.96/191,877.36 = 42,533.86/x
  3. Step 3: Cross multiply
    127,945.96x = 191,877.36 × 42,533.86
  4. Step 4: Simplify right side
    127,945.96x = 8,161,284,767.41
  5. Step 5: Solve for x
    x = 8,161,284,767.41/127,945.96
  6. Step 6: Final answer
    x = 63,786.97

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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.