Home / 105,557.46-158,337-30,682.68

Finding the Fourth Proportional to 105,557.46, 158,337 and 30,682.68

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Solution

The fourth proportional to 105,557.46, 158,337 and 30,682.68 is: 46,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,557.46 : 158,337 = 30,682.68 : x
  2. Step 2: Convert to fraction form
    105,557.46/158,337 = 30,682.68/x
  3. Step 3: Cross multiply
    105,557.46x = 158,337 × 30,682.68
  4. Step 4: Simplify right side
    105,557.46x = 4,858,203,503.16
  5. Step 5: Solve for x
    x = 4,858,203,503.16/105,557.46
  6. Step 6: Final answer
    x = 46,024.26

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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.