Home / 242,835.24-335,098.08-135,412.32

Finding the Fourth Proportional to 242,835.24, 335,098.08 and 135,412.32

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Solution

The fourth proportional to 242,835.24, 335,098.08 and 135,412.32 is: 186,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,835.24 : 335,098.08 = 135,412.32 : x
  2. Step 2: Convert to fraction form
    242,835.24/335,098.08 = 135,412.32/x
  3. Step 3: Cross multiply
    242,835.24x = 335,098.08 × 135,412.32
  4. Step 4: Simplify right side
    242,835.24x = 45,376,408,440.35
  5. Step 5: Solve for x
    x = 45,376,408,440.35/242,835.24
  6. Step 6: Final answer
    x = 186,860.89

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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.