Home / 127,100.77-190,652.62-38,355.04

Finding the Fourth Proportional to 127,100.77, 190,652.62 and 38,355.04

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Solution

The fourth proportional to 127,100.77, 190,652.62 and 38,355.04 is: 57,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,100.77 : 190,652.62 = 38,355.04 : x
  2. Step 2: Convert to fraction form
    127,100.77/190,652.62 = 38,355.04/x
  3. Step 3: Cross multiply
    127,100.77x = 190,652.62 × 38,355.04
  4. Step 4: Simplify right side
    127,100.77x = 7,312,488,866.20
  5. Step 5: Solve for x
    x = 7,312,488,866.20/127,100.77
  6. Step 6: Final answer
    x = 57,533.00

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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.