Home / 112,632.30-168,511.05-73,266.30

Finding the Fourth Proportional to 112,632.30, 168,511.05 and 73,266.30

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Solution

The fourth proportional to 112,632.30, 168,511.05 and 73,266.30 is: 109,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,632.30 : 168,511.05 = 73,266.30 : x
  2. Step 2: Convert to fraction form
    112,632.30/168,511.05 = 73,266.30/x
  3. Step 3: Cross multiply
    112,632.30x = 168,511.05 × 73,266.30
  4. Step 4: Simplify right side
    112,632.30x = 12,346,181,142.62
  5. Step 5: Solve for x
    x = 12,346,181,142.62/112,632.30
  6. Step 6: Final answer
    x = 109,614.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.