Home / 111,832.09-154,277.43-66,484.34

Finding the Fourth Proportional to 111,832.09, 154,277.43 and 66,484.34

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Solution

The fourth proportional to 111,832.09, 154,277.43 and 66,484.34 is: 91,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,832.09 : 154,277.43 = 66,484.34 : x
  2. Step 2: Convert to fraction form
    111,832.09/154,277.43 = 66,484.34/x
  3. Step 3: Cross multiply
    111,832.09x = 154,277.43 × 66,484.34
  4. Step 4: Simplify right side
    111,832.09x = 10,257,034,097.06
  5. Step 5: Solve for x
    x = 10,257,034,097.06/111,832.09
  6. Step 6: Final answer
    x = 91,718.16

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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.