Home / 190,143.60-262,315.80-114,650.16

Finding the Fourth Proportional to 190,143.60, 262,315.80 and 114,650.16

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Solution

The fourth proportional to 190,143.60, 262,315.80 and 114,650.16 is: 158,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.60 : 262,315.80 = 114,650.16 : x
  2. Step 2: Convert to fraction form
    190,143.60/262,315.80 = 114,650.16/x
  3. Step 3: Cross multiply
    190,143.60x = 262,315.80 × 114,650.16
  4. Step 4: Simplify right side
    190,143.60x = 30,074,548,440.53
  5. Step 5: Solve for x
    x = 30,074,548,440.53/190,143.60
  6. Step 6: Final answer
    x = 158,167.56

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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.