Home / 127,160.14-190,769.31-55,125.14

Finding the Fourth Proportional to 127,160.14, 190,769.31 and 55,125.14

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Solution

The fourth proportional to 127,160.14, 190,769.31 and 55,125.14 is: 82,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,160.14 : 190,769.31 = 55,125.14 : x
  2. Step 2: Convert to fraction form
    127,160.14/190,769.31 = 55,125.14/x
  3. Step 3: Cross multiply
    127,160.14x = 190,769.31 × 55,125.14
  4. Step 4: Simplify right side
    127,160.14x = 10,516,184,921.45
  5. Step 5: Solve for x
    x = 10,516,184,921.45/127,160.14
  6. Step 6: Final answer
    x = 82,700.33

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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.