Home / 346,741.98-520,263.24-122,262.78

Finding the Fourth Proportional to 346,741.98, 520,263.24 and 122,262.78

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Solution

The fourth proportional to 346,741.98, 520,263.24 and 122,262.78 is: 183,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,741.98 : 520,263.24 = 122,262.78 : x
  2. Step 2: Convert to fraction form
    346,741.98/520,263.24 = 122,262.78/x
  3. Step 3: Cross multiply
    346,741.98x = 520,263.24 × 122,262.78
  4. Step 4: Simplify right side
    346,741.98x = 63,608,830,054.21
  5. Step 5: Solve for x
    x = 63,608,830,054.21/346,741.98
  6. Step 6: Final answer
    x = 183,447.16

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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.