Home / 127,113.10-190,433.73-91,015.06

Finding the Fourth Proportional to 127,113.10, 190,433.73 and 91,015.06

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Solution

The fourth proportional to 127,113.10, 190,433.73 and 91,015.06 is: 136,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113.10 : 190,433.73 = 91,015.06 : x
  2. Step 2: Convert to fraction form
    127,113.10/190,433.73 = 91,015.06/x
  3. Step 3: Cross multiply
    127,113.10x = 190,433.73 × 91,015.06
  4. Step 4: Simplify right side
    127,113.10x = 17,332,337,584.26
  5. Step 5: Solve for x
    x = 17,332,337,584.26/127,113.10
  6. Step 6: Final answer
    x = 136,353.67

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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.