Home / 127,259.10-175,539.03-81,922.14

Finding the Fourth Proportional to 127,259.10, 175,539.03 and 81,922.14

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Solution

The fourth proportional to 127,259.10, 175,539.03 and 81,922.14 is: 113,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,259.10 : 175,539.03 = 81,922.14 : x
  2. Step 2: Convert to fraction form
    127,259.10/175,539.03 = 81,922.14/x
  3. Step 3: Cross multiply
    127,259.10x = 175,539.03 × 81,922.14
  4. Step 4: Simplify right side
    127,259.10x = 14,380,532,991.12
  5. Step 5: Solve for x
    x = 14,380,532,991.12/127,259.10
  6. Step 6: Final answer
    x = 113,002.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.