Home / 112,322.94-154,968.34-74,101.48

Finding the Fourth Proportional to 112,322.94, 154,968.34 and 74,101.48

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Solution

The fourth proportional to 112,322.94, 154,968.34 and 74,101.48 is: 102,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,322.94 : 154,968.34 = 74,101.48 : x
  2. Step 2: Convert to fraction form
    112,322.94/154,968.34 = 74,101.48/x
  3. Step 3: Cross multiply
    112,322.94x = 154,968.34 × 74,101.48
  4. Step 4: Simplify right side
    112,322.94x = 11,483,383,347.14
  5. Step 5: Solve for x
    x = 11,483,383,347.14/112,322.94
  6. Step 6: Final answer
    x = 102,235.42

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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.