Home / 126,860.02-190,327.40-38,127.06

Finding the Fourth Proportional to 126,860.02, 190,327.40 and 38,127.06

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Solution

The fourth proportional to 126,860.02, 190,327.40 and 38,127.06 is: 57,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,860.02 : 190,327.40 = 38,127.06 : x
  2. Step 2: Convert to fraction form
    126,860.02/190,327.40 = 38,127.06/x
  3. Step 3: Cross multiply
    126,860.02x = 190,327.40 × 38,127.06
  4. Step 4: Simplify right side
    126,860.02x = 7,256,624,199.44
  5. Step 5: Solve for x
    x = 7,256,624,199.44/126,860.02
  6. Step 6: Final answer
    x = 57,201.82

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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.