Home / 127,410.53-190,040.79-110,638.67

Finding the Fourth Proportional to 127,410.53, 190,040.79 and 110,638.67

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Solution

The fourth proportional to 127,410.53, 190,040.79 and 110,638.67 is: 165,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410.53 : 190,040.79 = 110,638.67 : x
  2. Step 2: Convert to fraction form
    127,410.53/190,040.79 = 110,638.67/x
  3. Step 3: Cross multiply
    127,410.53x = 190,040.79 × 110,638.67
  4. Step 4: Simplify right side
    127,410.53x = 21,025,859,698.16
  5. Step 5: Solve for x
    x = 21,025,859,698.16/127,410.53
  6. Step 6: Final answer
    x = 165,024.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.