Home / 248,712.30-373,068.45-82,500.30

Finding the Fourth Proportional to 248,712.30, 373,068.45 and 82,500.30

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Solution

The fourth proportional to 248,712.30, 373,068.45 and 82,500.30 is: 123,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,712.30 : 373,068.45 = 82,500.30 : x
  2. Step 2: Convert to fraction form
    248,712.30/373,068.45 = 82,500.30/x
  3. Step 3: Cross multiply
    248,712.30x = 373,068.45 × 82,500.30
  4. Step 4: Simplify right side
    248,712.30x = 30,778,259,045.54
  5. Step 5: Solve for x
    x = 30,778,259,045.54/248,712.30
  6. Step 6: Final answer
    x = 123,750.45

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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.