Home / 170,094.32-255,199.13-75,311.45

Finding the Fourth Proportional to 170,094.32, 255,199.13 and 75,311.45

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Solution

The fourth proportional to 170,094.32, 255,199.13 and 75,311.45 is: 112,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,094.32 : 255,199.13 = 75,311.45 : x
  2. Step 2: Convert to fraction form
    170,094.32/255,199.13 = 75,311.45/x
  3. Step 3: Cross multiply
    170,094.32x = 255,199.13 × 75,311.45
  4. Step 4: Simplify right side
    170,094.32x = 19,219,414,866.49
  5. Step 5: Solve for x
    x = 19,219,414,866.49/170,094.32
  6. Step 6: Final answer
    x = 112,992.69

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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.