Home / 158,903.04-238,323.06-78,857.46

Finding the Fourth Proportional to 158,903.04, 238,323.06 and 78,857.46

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Solution

The fourth proportional to 158,903.04, 238,323.06 and 78,857.46 is: 118,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,903.04 : 238,323.06 = 78,857.46 : x
  2. Step 2: Convert to fraction form
    158,903.04/238,323.06 = 78,857.46/x
  3. Step 3: Cross multiply
    158,903.04x = 238,323.06 × 78,857.46
  4. Step 4: Simplify right side
    158,903.04x = 18,793,551,171.03
  5. Step 5: Solve for x
    x = 18,793,551,171.03/158,903.04
  6. Step 6: Final answer
    x = 118,270.56

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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.