Home / 190,213.66-262,449.78-112,650.13

Finding the Fourth Proportional to 190,213.66, 262,449.78 and 112,650.13

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Solution

The fourth proportional to 190,213.66, 262,449.78 and 112,650.13 is: 155,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,213.66 : 262,449.78 = 112,650.13 : x
  2. Step 2: Convert to fraction form
    190,213.66/262,449.78 = 112,650.13/x
  3. Step 3: Cross multiply
    190,213.66x = 262,449.78 × 112,650.13
  4. Step 4: Simplify right side
    190,213.66x = 29,565,001,835.47
  5. Step 5: Solve for x
    x = 29,565,001,835.47/190,213.66
  6. Step 6: Final answer
    x = 155,430.49

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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.