Home / 158,314.23-218,476.17-86,693.00

Finding the Fourth Proportional to 158,314.23, 218,476.17 and 86,693.00

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Solution

The fourth proportional to 158,314.23, 218,476.17 and 86,693.00 is: 119,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,314.23 : 218,476.17 = 86,693.00 : x
  2. Step 2: Convert to fraction form
    158,314.23/218,476.17 = 86,693.00/x
  3. Step 3: Cross multiply
    158,314.23x = 218,476.17 × 86,693.00
  4. Step 4: Simplify right side
    158,314.23x = 18,940,353,513.43
  5. Step 5: Solve for x
    x = 18,940,353,513.43/158,314.23
  6. Step 6: Final answer
    x = 119,637.72

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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.