Home / 185,050.08-255,369.12-100,167.84

Finding the Fourth Proportional to 185,050.08, 255,369.12 and 100,167.84

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Solution

The fourth proportional to 185,050.08, 255,369.12 and 100,167.84 is: 138,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,050.08 : 255,369.12 = 100,167.84 : x
  2. Step 2: Convert to fraction form
    185,050.08/255,369.12 = 100,167.84/x
  3. Step 3: Cross multiply
    185,050.08x = 255,369.12 × 100,167.84
  4. Step 4: Simplify right side
    185,050.08x = 25,579,773,153.10
  5. Step 5: Solve for x
    x = 25,579,773,153.10/185,050.08
  6. Step 6: Final answer
    x = 138,231.62

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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.