Home / 161,928.89-243,103.81-124,515.23

Finding the Fourth Proportional to 161,928.89, 243,103.81 and 124,515.23

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Solution

The fourth proportional to 161,928.89, 243,103.81 and 124,515.23 is: 186,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,928.89 : 243,103.81 = 124,515.23 : x
  2. Step 2: Convert to fraction form
    161,928.89/243,103.81 = 124,515.23/x
  3. Step 3: Cross multiply
    161,928.89x = 243,103.81 × 124,515.23
  4. Step 4: Simplify right side
    161,928.89x = 30,270,127,006.36
  5. Step 5: Solve for x
    x = 30,270,127,006.36/161,928.89
  6. Step 6: Final answer
    x = 186,934.70

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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.