Home / 346,208.78-477,766.35-193,238.15

Finding the Fourth Proportional to 346,208.78, 477,766.35 and 193,238.15

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Solution

The fourth proportional to 346,208.78, 477,766.35 and 193,238.15 is: 266,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,208.78 : 477,766.35 = 193,238.15 : x
  2. Step 2: Convert to fraction form
    346,208.78/477,766.35 = 193,238.15/x
  3. Step 3: Cross multiply
    346,208.78x = 477,766.35 × 193,238.15
  4. Step 4: Simplify right side
    346,208.78x = 92,322,685,606.25
  5. Step 5: Solve for x
    x = 92,322,685,606.25/346,208.78
  6. Step 6: Final answer
    x = 266,667.66

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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.