Home / 145,670.08-218,323.62-52,072.96

Finding the Fourth Proportional to 145,670.08, 218,323.62 and 52,072.96

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Solution

The fourth proportional to 145,670.08, 218,323.62 and 52,072.96 is: 78,044.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,670.08 : 218,323.62 = 52,072.96 : x
  2. Step 2: Convert to fraction form
    145,670.08/218,323.62 = 52,072.96/x
  3. Step 3: Cross multiply
    145,670.08x = 218,323.62 × 52,072.96
  4. Step 4: Simplify right side
    145,670.08x = 11,368,757,131.32
  5. Step 5: Solve for x
    x = 11,368,757,131.32/145,670.08
  6. Step 6: Final answer
    x = 78,044.56

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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.