Home / 127,478.76-191,240.90-52,557.24

Finding the Fourth Proportional to 127,478.76, 191,240.90 and 52,557.24

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Solution

The fourth proportional to 127,478.76, 191,240.90 and 52,557.24 is: 78,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,478.76 : 191,240.90 = 52,557.24 : x
  2. Step 2: Convert to fraction form
    127,478.76/191,240.90 = 52,557.24/x
  3. Step 3: Cross multiply
    127,478.76x = 191,240.90 × 52,557.24
  4. Step 4: Simplify right side
    127,478.76x = 10,051,093,879.12
  5. Step 5: Solve for x
    x = 10,051,093,879.12/127,478.76
  6. Step 6: Final answer
    x = 78,845.24

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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.