Home / 192,555.20-265,729.60-107,670.40

Finding the Fourth Proportional to 192,555.20, 265,729.60 and 107,670.40

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Solution

The fourth proportional to 192,555.20, 265,729.60 and 107,670.40 is: 148,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,555.20 : 265,729.60 = 107,670.40 : x
  2. Step 2: Convert to fraction form
    192,555.20/265,729.60 = 107,670.40/x
  3. Step 3: Cross multiply
    192,555.20x = 265,729.60 × 107,670.40
  4. Step 4: Simplify right side
    192,555.20x = 28,611,212,323.84
  5. Step 5: Solve for x
    x = 28,611,212,323.84/192,555.20
  6. Step 6: Final answer
    x = 148,587.07

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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.