Home / 346,338.09-477,941.85-193,378.64

Finding the Fourth Proportional to 346,338.09, 477,941.85 and 193,378.64

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Solution

The fourth proportional to 346,338.09, 477,941.85 and 193,378.64 is: 266,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,338.09 : 477,941.85 = 193,378.64 : x
  2. Step 2: Convert to fraction form
    346,338.09/477,941.85 = 193,378.64/x
  3. Step 3: Cross multiply
    346,338.09x = 477,941.85 × 193,378.64
  4. Step 4: Simplify right side
    346,338.09x = 92,423,742,562.37
  5. Step 5: Solve for x
    x = 92,423,742,562.37/346,338.09
  6. Step 6: Final answer
    x = 266,859.88

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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.