Home / 248,811.84-343,416-158,150.16

Finding the Fourth Proportional to 248,811.84, 343,416 and 158,150.16

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Solution

The fourth proportional to 248,811.84, 343,416 and 158,150.16 is: 218,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,811.84 : 343,416 = 158,150.16 : x
  2. Step 2: Convert to fraction form
    248,811.84/343,416 = 158,150.16/x
  3. Step 3: Cross multiply
    248,811.84x = 343,416 × 158,150.16
  4. Step 4: Simplify right side
    248,811.84x = 54,311,295,346.56
  5. Step 5: Solve for x
    x = 54,311,295,346.56/248,811.84
  6. Step 6: Final answer
    x = 218,282.60

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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.