Home / 158,670.93-238,012.07-53,490.81

Finding the Fourth Proportional to 158,670.93, 238,012.07 and 53,490.81

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Solution

The fourth proportional to 158,670.93, 238,012.07 and 53,490.81 is: 80,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,670.93 : 238,012.07 = 53,490.81 : x
  2. Step 2: Convert to fraction form
    158,670.93/238,012.07 = 53,490.81/x
  3. Step 3: Cross multiply
    158,670.93x = 238,012.07 × 53,490.81
  4. Step 4: Simplify right side
    158,670.93x = 12,731,458,146.62
  5. Step 5: Solve for x
    x = 12,731,458,146.62/158,670.93
  6. Step 6: Final answer
    x = 80,238.13

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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.