Home / 158,601.24-218,836.62-107,653.40

Finding the Fourth Proportional to 158,601.24, 218,836.62 and 107,653.40

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Solution

The fourth proportional to 158,601.24, 218,836.62 and 107,653.40 is: 148,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,601.24 : 218,836.62 = 107,653.40 : x
  2. Step 2: Convert to fraction form
    158,601.24/218,836.62 = 107,653.40/x
  3. Step 3: Cross multiply
    158,601.24x = 218,836.62 × 107,653.40
  4. Step 4: Simplify right side
    158,601.24x = 23,558,506,187.51
  5. Step 5: Solve for x
    x = 23,558,506,187.51/158,601.24
  6. Step 6: Final answer
    x = 148,539.23

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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.