Home / 145,120.53-217,596.72-56,270.01

Finding the Fourth Proportional to 145,120.53, 217,596.72 and 56,270.01

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Solution

The fourth proportional to 145,120.53, 217,596.72 and 56,270.01 is: 84,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,120.53 : 217,596.72 = 56,270.01 : x
  2. Step 2: Convert to fraction form
    145,120.53/217,596.72 = 56,270.01/x
  3. Step 3: Cross multiply
    145,120.53x = 217,596.72 × 56,270.01
  4. Step 4: Simplify right side
    145,120.53x = 12,244,169,610.37
  5. Step 5: Solve for x
    x = 12,244,169,610.37/145,120.53
  6. Step 6: Final answer
    x = 84,372.42

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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.