Home / 127,947.39-191,879.50-42,535.32

Finding the Fourth Proportional to 127,947.39, 191,879.50 and 42,535.32

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Solution

The fourth proportional to 127,947.39, 191,879.50 and 42,535.32 is: 63,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,947.39 : 191,879.50 = 42,535.32 : x
  2. Step 2: Convert to fraction form
    127,947.39/191,879.50 = 42,535.32/x
  3. Step 3: Cross multiply
    127,947.39x = 191,879.50 × 42,535.32
  4. Step 4: Simplify right side
    127,947.39x = 8,161,655,933.94
  5. Step 5: Solve for x
    x = 8,161,655,933.94/127,947.39
  6. Step 6: Final answer
    x = 63,789.16

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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.