Home / 126,857.02-190,322.90-38,124.06

Finding the Fourth Proportional to 126,857.02, 190,322.90 and 38,124.06

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Solution

The fourth proportional to 126,857.02, 190,322.90 and 38,124.06 is: 57,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,857.02 : 190,322.90 = 38,124.06 : x
  2. Step 2: Convert to fraction form
    126,857.02/190,322.90 = 38,124.06/x
  3. Step 3: Cross multiply
    126,857.02x = 190,322.90 × 38,124.06
  4. Step 4: Simplify right side
    126,857.02x = 7,255,881,658.97
  5. Step 5: Solve for x
    x = 7,255,881,658.97/126,857.02
  6. Step 6: Final answer
    x = 57,197.32

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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.