Home / 286,777.54-430,244.86-87,104.44

Finding the Fourth Proportional to 286,777.54, 430,244.86 and 87,104.44

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Solution

The fourth proportional to 286,777.54, 430,244.86 and 87,104.44 is: 130,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,777.54 : 430,244.86 = 87,104.44 : x
  2. Step 2: Convert to fraction form
    286,777.54/430,244.86 = 87,104.44/x
  3. Step 3: Cross multiply
    286,777.54x = 430,244.86 × 87,104.44
  4. Step 4: Simplify right side
    286,777.54x = 37,476,237,593.18
  5. Step 5: Solve for x
    x = 37,476,237,593.18/286,777.54
  6. Step 6: Final answer
    x = 130,680.52

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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.