Home / 190,002.43-262,185.01-105,117.67

Finding the Fourth Proportional to 190,002.43, 262,185.01 and 105,117.67

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Solution

The fourth proportional to 190,002.43, 262,185.01 and 105,117.67 is: 145,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,002.43 : 262,185.01 = 105,117.67 : x
  2. Step 2: Convert to fraction form
    190,002.43/262,185.01 = 105,117.67/x
  3. Step 3: Cross multiply
    190,002.43x = 262,185.01 × 105,117.67
  4. Step 4: Simplify right side
    190,002.43x = 27,560,277,360.13
  5. Step 5: Solve for x
    x = 27,560,277,360.13/190,002.43
  6. Step 6: Final answer
    x = 145,052.24

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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.