Home / 127,316.64-190,994.77-38,549.01

Finding the Fourth Proportional to 127,316.64, 190,994.77 and 38,549.01

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Solution

The fourth proportional to 127,316.64, 190,994.77 and 38,549.01 is: 57,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,316.64 : 190,994.77 = 38,549.01 : x
  2. Step 2: Convert to fraction form
    127,316.64/190,994.77 = 38,549.01/x
  3. Step 3: Cross multiply
    127,316.64x = 190,994.77 × 38,549.01
  4. Step 4: Simplify right side
    127,316.64x = 7,362,659,298.68
  5. Step 5: Solve for x
    x = 7,362,659,298.68/127,316.64
  6. Step 6: Final answer
    x = 57,829.51

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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.