Home / 127,761.10-191,499.09-56,698.18

Finding the Fourth Proportional to 127,761.10, 191,499.09 and 56,698.18

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Solution

The fourth proportional to 127,761.10, 191,499.09 and 56,698.18 is: 84,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,761.10 : 191,499.09 = 56,698.18 : x
  2. Step 2: Convert to fraction form
    127,761.10/191,499.09 = 56,698.18/x
  3. Step 3: Cross multiply
    127,761.10x = 191,499.09 × 56,698.18
  4. Step 4: Simplify right side
    127,761.10x = 10,857,649,874.66
  5. Step 5: Solve for x
    x = 10,857,649,874.66/127,761.10
  6. Step 6: Final answer
    x = 84,984.00

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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.