Home / 346,725.12-520,105.50-97,426.56

Finding the Fourth Proportional to 346,725.12, 520,105.50 and 97,426.56

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Solution

The fourth proportional to 346,725.12, 520,105.50 and 97,426.56 is: 146,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,725.12 : 520,105.50 = 97,426.56 : x
  2. Step 2: Convert to fraction form
    346,725.12/520,105.50 = 97,426.56/x
  3. Step 3: Cross multiply
    346,725.12x = 520,105.50 × 97,426.56
  4. Step 4: Simplify right side
    346,725.12x = 50,672,089,702.08
  5. Step 5: Solve for x
    x = 50,672,089,702.08/346,725.12
  6. Step 6: Final answer
    x = 146,144.85

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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.