Home / 127,114.47-190,666.71-38,365.56

Finding the Fourth Proportional to 127,114.47, 190,666.71 and 38,365.56

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Solution

The fourth proportional to 127,114.47, 190,666.71 and 38,365.56 is: 57,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.47 : 190,666.71 = 38,365.56 : x
  2. Step 2: Convert to fraction form
    127,114.47/190,666.71 = 38,365.56/x
  3. Step 3: Cross multiply
    127,114.47x = 190,666.71 × 38,365.56
  4. Step 4: Simplify right side
    127,114.47x = 7,315,035,102.51
  5. Step 5: Solve for x
    x = 7,315,035,102.51/127,114.47
  6. Step 6: Final answer
    x = 57,546.83

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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.