Home / 346,741.11-520,261.92-122,261.90

Finding the Fourth Proportional to 346,741.11, 520,261.92 and 122,261.90

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Solution

The fourth proportional to 346,741.11, 520,261.92 and 122,261.90 is: 183,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,741.11 : 520,261.92 = 122,261.90 : x
  2. Step 2: Convert to fraction form
    346,741.11/520,261.92 = 122,261.90/x
  3. Step 3: Cross multiply
    346,741.11x = 520,261.92 × 122,261.90
  4. Step 4: Simplify right side
    346,741.11x = 63,608,208,235.54
  5. Step 5: Solve for x
    x = 63,608,208,235.54/346,741.11
  6. Step 6: Final answer
    x = 183,445.82

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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.