Home / 105,536.93-158,313.65-30,658.32

Finding the Fourth Proportional to 105,536.93, 158,313.65 and 30,658.32

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Solution

The fourth proportional to 105,536.93, 158,313.65 and 30,658.32 is: 45,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,536.93 : 158,313.65 = 30,658.32 : x
  2. Step 2: Convert to fraction form
    105,536.93/158,313.65 = 30,658.32/x
  3. Step 3: Cross multiply
    105,536.93x = 158,313.65 × 30,658.32
  4. Step 4: Simplify right side
    105,536.93x = 4,853,630,388.78
  5. Step 5: Solve for x
    x = 4,853,630,388.78/105,536.93
  6. Step 6: Final answer
    x = 45,989.88

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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.