Home / 127,318.77-190,973.30-43,085.25

Finding the Fourth Proportional to 127,318.77, 190,973.30 and 43,085.25

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Solution

The fourth proportional to 127,318.77, 190,973.30 and 43,085.25 is: 64,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,318.77 : 190,973.30 = 43,085.25 : x
  2. Step 2: Convert to fraction form
    127,318.77/190,973.30 = 43,085.25/x
  3. Step 3: Cross multiply
    127,318.77x = 190,973.30 × 43,085.25
  4. Step 4: Simplify right side
    127,318.77x = 8,228,132,158.40
  5. Step 5: Solve for x
    x = 8,228,132,158.40/127,318.77
  6. Step 6: Final answer
    x = 64,626.23

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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.