Home / 190,315.81-262,663.77-109,727.56

Finding the Fourth Proportional to 190,315.81, 262,663.77 and 109,727.56

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Solution

The fourth proportional to 190,315.81, 262,663.77 and 109,727.56 is: 151,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,315.81 : 262,663.77 = 109,727.56 : x
  2. Step 2: Convert to fraction form
    190,315.81/262,663.77 = 109,727.56/x
  3. Step 3: Cross multiply
    190,315.81x = 262,663.77 × 109,727.56
  4. Step 4: Simplify right side
    190,315.81x = 28,821,454,582.50
  5. Step 5: Solve for x
    x = 28,821,454,582.50/190,315.81
  6. Step 6: Final answer
    x = 151,440.15

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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.