Home / 111,832.49-154,337.73-64,090.28

Finding the Fourth Proportional to 111,832.49, 154,337.73 and 64,090.28

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Solution

The fourth proportional to 111,832.49, 154,337.73 and 64,090.28 is: 88,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,832.49 : 154,337.73 = 64,090.28 : x
  2. Step 2: Convert to fraction form
    111,832.49/154,337.73 = 64,090.28/x
  3. Step 3: Cross multiply
    111,832.49x = 154,337.73 × 64,090.28
  4. Step 4: Simplify right side
    111,832.49x = 9,891,548,330.26
  5. Step 5: Solve for x
    x = 9,891,548,330.26/111,832.49
  6. Step 6: Final answer
    x = 88,449.68

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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.