Home / 127,100.88-190,652.58-38,355.12

Finding the Fourth Proportional to 127,100.88, 190,652.58 and 38,355.12

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Solution

The fourth proportional to 127,100.88, 190,652.58 and 38,355.12 is: 57,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,100.88 : 190,652.58 = 38,355.12 : x
  2. Step 2: Convert to fraction form
    127,100.88/190,652.58 = 38,355.12/x
  3. Step 3: Cross multiply
    127,100.88x = 190,652.58 × 38,355.12
  4. Step 4: Simplify right side
    127,100.88x = 7,312,502,584.21
  5. Step 5: Solve for x
    x = 7,312,502,584.21/127,100.88
  6. Step 6: Final answer
    x = 57,533.06

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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.