Home / 127,617.66-191,435.28-43,343.43

Finding the Fourth Proportional to 127,617.66, 191,435.28 and 43,343.43

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Solution

The fourth proportional to 127,617.66, 191,435.28 and 43,343.43 is: 65,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,617.66 : 191,435.28 = 43,343.43 : x
  2. Step 2: Convert to fraction form
    127,617.66/191,435.28 = 43,343.43/x
  3. Step 3: Cross multiply
    127,617.66x = 191,435.28 × 43,343.43
  4. Step 4: Simplify right side
    127,617.66x = 8,297,461,658.21
  5. Step 5: Solve for x
    x = 8,297,461,658.21/127,617.66
  6. Step 6: Final answer
    x = 65,018.13

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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.