Home / 181,458.04-250,383.80-100,885.32

Finding the Fourth Proportional to 181,458.04, 250,383.80 and 100,885.32

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Solution

The fourth proportional to 181,458.04, 250,383.80 and 100,885.32 is: 139,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,458.04 : 250,383.80 = 100,885.32 : x
  2. Step 2: Convert to fraction form
    181,458.04/250,383.80 = 100,885.32/x
  3. Step 3: Cross multiply
    181,458.04x = 250,383.80 × 100,885.32
  4. Step 4: Simplify right side
    181,458.04x = 25,260,049,785.82
  5. Step 5: Solve for x
    x = 25,260,049,785.82/181,458.04
  6. Step 6: Final answer
    x = 139,206.01

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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.