Home / 155,675.34-214,817.40-92,000.70

Finding the Fourth Proportional to 155,675.34, 214,817.40 and 92,000.70

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Solution

The fourth proportional to 155,675.34, 214,817.40 and 92,000.70 is: 126,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,675.34 : 214,817.40 = 92,000.70 : x
  2. Step 2: Convert to fraction form
    155,675.34/214,817.40 = 92,000.70/x
  3. Step 3: Cross multiply
    155,675.34x = 214,817.40 × 92,000.70
  4. Step 4: Simplify right side
    155,675.34x = 19,763,351,172.18
  5. Step 5: Solve for x
    x = 19,763,351,172.18/155,675.34
  6. Step 6: Final answer
    x = 126,952.36

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1.5x scale

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.