Home / 346,206.78-477,763.59-193,236.15

Finding the Fourth Proportional to 346,206.78, 477,763.59 and 193,236.15

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Solution

The fourth proportional to 346,206.78, 477,763.59 and 193,236.15 is: 266,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,206.78 : 477,763.59 = 193,236.15 : x
  2. Step 2: Convert to fraction form
    346,206.78/477,763.59 = 193,236.15/x
  3. Step 3: Cross multiply
    346,206.78x = 477,763.59 × 193,236.15
  4. Step 4: Simplify right side
    346,206.78x = 92,321,196,741.78
  5. Step 5: Solve for x
    x = 92,321,196,741.78/346,206.78
  6. Step 6: Final answer
    x = 266,664.90

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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.