Home / 127,101.02-190,656.48-38,354.55

Finding the Fourth Proportional to 127,101.02, 190,656.48 and 38,354.55

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Solution

The fourth proportional to 127,101.02, 190,656.48 and 38,354.55 is: 57,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.02 : 190,656.48 = 38,354.55 : x
  2. Step 2: Convert to fraction form
    127,101.02/190,656.48 = 38,354.55/x
  3. Step 3: Cross multiply
    127,101.02x = 190,656.48 × 38,354.55
  4. Step 4: Simplify right side
    127,101.02x = 7,312,542,923.85
  5. Step 5: Solve for x
    x = 7,312,542,923.85/127,101.02
  6. Step 6: Final answer
    x = 57,533.32

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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.