Home / 127,116.92-190,676.74-38,371.16

Finding the Fourth Proportional to 127,116.92, 190,676.74 and 38,371.16

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Solution

The fourth proportional to 127,116.92, 190,676.74 and 38,371.16 is: 57,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.92 : 190,676.74 = 38,371.16 : x
  2. Step 2: Convert to fraction form
    127,116.92/190,676.74 = 38,371.16/x
  3. Step 3: Cross multiply
    127,116.92x = 190,676.74 × 38,371.16
  4. Step 4: Simplify right side
    127,116.92x = 7,316,487,698.82
  5. Step 5: Solve for x
    x = 7,316,487,698.82/127,116.92
  6. Step 6: Final answer
    x = 57,557.15

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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.