Home / 181,326.08-250,225.43-100,753.81

Finding the Fourth Proportional to 181,326.08, 250,225.43 and 100,753.81

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Solution

The fourth proportional to 181,326.08, 250,225.43 and 100,753.81 is: 139,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,326.08 : 250,225.43 = 100,753.81 : x
  2. Step 2: Convert to fraction form
    181,326.08/250,225.43 = 100,753.81/x
  3. Step 3: Cross multiply
    181,326.08x = 250,225.43 × 100,753.81
  4. Step 4: Simplify right side
    181,326.08x = 25,211,164,180.26
  5. Step 5: Solve for x
    x = 25,211,164,180.26/181,326.08
  6. Step 6: Final answer
    x = 139,037.72

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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.