Home / 346,279.60-519,353.79-121,587.22

Finding the Fourth Proportional to 346,279.60, 519,353.79 and 121,587.22

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Solution

The fourth proportional to 346,279.60, 519,353.79 and 121,587.22 is: 182,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,279.60 : 519,353.79 = 121,587.22 : x
  2. Step 2: Convert to fraction form
    346,279.60/519,353.79 = 121,587.22/x
  3. Step 3: Cross multiply
    346,279.60x = 519,353.79 × 121,587.22
  4. Step 4: Simplify right side
    346,279.60x = 63,146,783,522.56
  5. Step 5: Solve for x
    x = 63,146,783,522.56/346,279.60
  6. Step 6: Final answer
    x = 182,357.79

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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.