Home / 193,030.39-289,584.32-66,675.25

Finding the Fourth Proportional to 193,030.39, 289,584.32 and 66,675.25

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Solution

The fourth proportional to 193,030.39, 289,584.32 and 66,675.25 is: 100,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,030.39 : 289,584.32 = 66,675.25 : x
  2. Step 2: Convert to fraction form
    193,030.39/289,584.32 = 66,675.25/x
  3. Step 3: Cross multiply
    193,030.39x = 289,584.32 × 66,675.25
  4. Step 4: Simplify right side
    193,030.39x = 19,308,106,960.68
  5. Step 5: Solve for x
    x = 19,308,106,960.68/193,030.39
  6. Step 6: Final answer
    x = 100,026.25

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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.