Home / 112,266.11-154,927.19-76,518.54

Finding the Fourth Proportional to 112,266.11, 154,927.19 and 76,518.54

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Solution

The fourth proportional to 112,266.11, 154,927.19 and 76,518.54 is: 105,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,266.11 : 154,927.19 = 76,518.54 : x
  2. Step 2: Convert to fraction form
    112,266.11/154,927.19 = 76,518.54/x
  3. Step 3: Cross multiply
    112,266.11x = 154,927.19 × 76,518.54
  4. Step 4: Simplify right side
    112,266.11x = 11,854,802,002.51
  5. Step 5: Solve for x
    x = 11,854,802,002.51/112,266.11
  6. Step 6: Final answer
    x = 105,595.56

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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.