Home / 140,799.36-194,284.98-112,191.60

Finding the Fourth Proportional to 140,799.36, 194,284.98 and 112,191.60

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Solution

The fourth proportional to 140,799.36, 194,284.98 and 112,191.60 is: 154,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,799.36 : 194,284.98 = 112,191.60 : x
  2. Step 2: Convert to fraction form
    140,799.36/194,284.98 = 112,191.60/x
  3. Step 3: Cross multiply
    140,799.36x = 194,284.98 × 112,191.60
  4. Step 4: Simplify right side
    140,799.36x = 21,797,142,762.17
  5. Step 5: Solve for x
    x = 21,797,142,762.17/140,799.36
  6. Step 6: Final answer
    x = 154,809.96

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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.