Home / 356,820.23-492,418.69-195,665.67

Finding the Fourth Proportional to 356,820.23, 492,418.69 and 195,665.67

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Solution

The fourth proportional to 356,820.23, 492,418.69 and 195,665.67 is: 270,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,820.23 : 492,418.69 = 195,665.67 : x
  2. Step 2: Convert to fraction form
    356,820.23/492,418.69 = 195,665.67/x
  3. Step 3: Cross multiply
    356,820.23x = 492,418.69 × 195,665.67
  4. Step 4: Simplify right side
    356,820.23x = 96,349,432,410.21
  5. Step 5: Solve for x
    x = 96,349,432,410.21/356,820.23
  6. Step 6: Final answer
    x = 270,022.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.