Home / 112,226.80-154,807.68-71,926.24

Finding the Fourth Proportional to 112,226.80, 154,807.68 and 71,926.24

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Solution

The fourth proportional to 112,226.80, 154,807.68 and 71,926.24 is: 99,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,226.80 : 154,807.68 = 71,926.24 : x
  2. Step 2: Convert to fraction form
    112,226.80/154,807.68 = 71,926.24/x
  3. Step 3: Cross multiply
    112,226.80x = 154,807.68 × 71,926.24
  4. Step 4: Simplify right side
    112,226.80x = 11,134,734,345.52
  5. Step 5: Solve for x
    x = 11,134,734,345.52/112,226.80
  6. Step 6: Final answer
    x = 99,216.36

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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.