Home / 127,954.28-191,775.77-90,525.14

Finding the Fourth Proportional to 127,954.28, 191,775.77 and 90,525.14

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Solution

The fourth proportional to 127,954.28, 191,775.77 and 90,525.14 is: 135,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,954.28 : 191,775.77 = 90,525.14 : x
  2. Step 2: Convert to fraction form
    127,954.28/191,775.77 = 90,525.14/x
  3. Step 3: Cross multiply
    127,954.28x = 191,775.77 × 90,525.14
  4. Step 4: Simplify right side
    127,954.28x = 17,360,529,344.67
  5. Step 5: Solve for x
    x = 17,360,529,344.67/127,954.28
  6. Step 6: Final answer
    x = 135,677.60

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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.