Home / 195,384.15-293,076.23-55,142.78

Finding the Fourth Proportional to 195,384.15, 293,076.23 and 55,142.78

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Solution

The fourth proportional to 195,384.15, 293,076.23 and 55,142.78 is: 82,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,384.15 : 293,076.23 = 55,142.78 : x
  2. Step 2: Convert to fraction form
    195,384.15/293,076.23 = 55,142.78/x
  3. Step 3: Cross multiply
    195,384.15x = 293,076.23 × 55,142.78
  4. Step 4: Simplify right side
    195,384.15x = 16,161,038,074.12
  5. Step 5: Solve for x
    x = 16,161,038,074.12/195,384.15
  6. Step 6: Final answer
    x = 82,714.17

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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.