Home / 127,119.32-190,646.96-52,260.32

Finding the Fourth Proportional to 127,119.32, 190,646.96 and 52,260.32

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Solution

The fourth proportional to 127,119.32, 190,646.96 and 52,260.32 is: 78,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,119.32 : 190,646.96 = 52,260.32 : x
  2. Step 2: Convert to fraction form
    127,119.32/190,646.96 = 52,260.32/x
  3. Step 3: Cross multiply
    127,119.32x = 190,646.96 × 52,260.32
  4. Step 4: Simplify right side
    127,119.32x = 9,963,271,136.63
  5. Step 5: Solve for x
    x = 9,963,271,136.63/127,119.32
  6. Step 6: Final answer
    x = 78,377.32

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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.