Home / 181,538.60-250,504.08-100,953.12

Finding the Fourth Proportional to 181,538.60, 250,504.08 and 100,953.12

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Solution

The fourth proportional to 181,538.60, 250,504.08 and 100,953.12 is: 139,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,538.60 : 250,504.08 = 100,953.12 : x
  2. Step 2: Convert to fraction form
    181,538.60/250,504.08 = 100,953.12/x
  3. Step 3: Cross multiply
    181,538.60x = 250,504.08 × 100,953.12
  4. Step 4: Simplify right side
    181,538.60x = 25,289,168,448.73
  5. Step 5: Solve for x
    x = 25,289,168,448.73/181,538.60
  6. Step 6: Final answer
    x = 139,304.64

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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.