Home / 167,016.18-250,512.93-78,289.50

Finding the Fourth Proportional to 167,016.18, 250,512.93 and 78,289.50

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Solution

The fourth proportional to 167,016.18, 250,512.93 and 78,289.50 is: 117,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,016.18 : 250,512.93 = 78,289.50 : x
  2. Step 2: Convert to fraction form
    167,016.18/250,512.93 = 78,289.50/x
  3. Step 3: Cross multiply
    167,016.18x = 250,512.93 × 78,289.50
  4. Step 4: Simplify right side
    167,016.18x = 19,612,532,033.24
  5. Step 5: Solve for x
    x = 19,612,532,033.24/167,016.18
  6. Step 6: Final answer
    x = 117,428.93

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1.5x scale

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.