Home / 158,688.81-218,791.30-116,173.53

Finding the Fourth Proportional to 158,688.81, 218,791.30 and 116,173.53

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Solution

The fourth proportional to 158,688.81, 218,791.30 and 116,173.53 is: 160,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,688.81 : 218,791.30 = 116,173.53 : x
  2. Step 2: Convert to fraction form
    158,688.81/218,791.30 = 116,173.53/x
  3. Step 3: Cross multiply
    158,688.81x = 218,791.30 × 116,173.53
  4. Step 4: Simplify right side
    158,688.81x = 25,417,757,654.29
  5. Step 5: Solve for x
    x = 25,417,757,654.29/158,688.81
  6. Step 6: Final answer
    x = 160,173.60

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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.