Home / 127,077.75-190,616.67-43,971.75

Finding the Fourth Proportional to 127,077.75, 190,616.67 and 43,971.75

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Solution

The fourth proportional to 127,077.75, 190,616.67 and 43,971.75 is: 65,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,077.75 : 190,616.67 = 43,971.75 : x
  2. Step 2: Convert to fraction form
    127,077.75/190,616.67 = 43,971.75/x
  3. Step 3: Cross multiply
    127,077.75x = 190,616.67 × 43,971.75
  4. Step 4: Simplify right side
    127,077.75x = 8,381,748,559.07
  5. Step 5: Solve for x
    x = 8,381,748,559.07/127,077.75
  6. Step 6: Final answer
    x = 65,957.64

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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.