Home / 112,324.96-154,971.08-74,103.48

Finding the Fourth Proportional to 112,324.96, 154,971.08 and 74,103.48

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Solution

The fourth proportional to 112,324.96, 154,971.08 and 74,103.48 is: 102,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,324.96 : 154,971.08 = 74,103.48 : x
  2. Step 2: Convert to fraction form
    112,324.96/154,971.08 = 74,103.48/x
  3. Step 3: Cross multiply
    112,324.96x = 154,971.08 × 74,103.48
  4. Step 4: Simplify right side
    112,324.96x = 11,483,896,327.36
  5. Step 5: Solve for x
    x = 11,483,896,327.36/112,324.96
  6. Step 6: Final answer
    x = 102,238.15

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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.