Home / 111,029.12-166,542.14-26,788.58

Finding the Fourth Proportional to 111,029.12, 166,542.14 and 26,788.58

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Solution

The fourth proportional to 111,029.12, 166,542.14 and 26,788.58 is: 40,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,029.12 : 166,542.14 = 26,788.58 : x
  2. Step 2: Convert to fraction form
    111,029.12/166,542.14 = 26,788.58/x
  3. Step 3: Cross multiply
    111,029.12x = 166,542.14 × 26,788.58
  4. Step 4: Simplify right side
    111,029.12x = 4,461,427,440.76
  5. Step 5: Solve for x
    x = 4,461,427,440.76/111,029.12
  6. Step 6: Final answer
    x = 40,182.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.