Home / 100,767.06-151,151.13-30,646.17

Finding the Fourth Proportional to 100,767.06, 151,151.13 and 30,646.17

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Solution

The fourth proportional to 100,767.06, 151,151.13 and 30,646.17 is: 45,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,767.06 : 151,151.13 = 30,646.17 : x
  2. Step 2: Convert to fraction form
    100,767.06/151,151.13 = 30,646.17/x
  3. Step 3: Cross multiply
    100,767.06x = 151,151.13 × 30,646.17
  4. Step 4: Simplify right side
    100,767.06x = 4,632,203,225.67
  5. Step 5: Solve for x
    x = 4,632,203,225.67/100,767.06
  6. Step 6: Final answer
    x = 45,969.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.