Home / 127,066.26-190,550.74-42,803.78

Finding the Fourth Proportional to 127,066.26, 190,550.74 and 42,803.78

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Solution

The fourth proportional to 127,066.26, 190,550.74 and 42,803.78 is: 64,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,066.26 : 190,550.74 = 42,803.78 : x
  2. Step 2: Convert to fraction form
    127,066.26/190,550.74 = 42,803.78/x
  3. Step 3: Cross multiply
    127,066.26x = 190,550.74 × 42,803.78
  4. Step 4: Simplify right side
    127,066.26x = 8,156,291,953.80
  5. Step 5: Solve for x
    x = 8,156,291,953.80/127,066.26
  6. Step 6: Final answer
    x = 64,189.28

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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.