Home / 345,971.05-477,440.24-193,009.23

Finding the Fourth Proportional to 345,971.05, 477,440.24 and 193,009.23

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Solution

The fourth proportional to 345,971.05, 477,440.24 and 193,009.23 is: 266,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,971.05 : 477,440.24 = 193,009.23 : x
  2. Step 2: Convert to fraction form
    345,971.05/477,440.24 = 193,009.23/x
  3. Step 3: Cross multiply
    345,971.05x = 477,440.24 × 193,009.23
  4. Step 4: Simplify right side
    345,971.05x = 92,150,372,128.37
  5. Step 5: Solve for x
    x = 92,150,372,128.37/345,971.05
  6. Step 6: Final answer
    x = 266,352.84

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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.