Home / 148,000.10-222,000.15-92,012.90

Finding the Fourth Proportional to 148,000.10, 222,000.15 and 92,012.90

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Solution

The fourth proportional to 148,000.10, 222,000.15 and 92,012.90 is: 138,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,000.10 : 222,000.15 = 92,012.90 : x
  2. Step 2: Convert to fraction form
    148,000.10/222,000.15 = 92,012.90/x
  3. Step 3: Cross multiply
    148,000.10x = 222,000.15 × 92,012.90
  4. Step 4: Simplify right side
    148,000.10x = 20,426,877,601.94
  5. Step 5: Solve for x
    x = 20,426,877,601.94/148,000.10
  6. Step 6: Final answer
    x = 138,019.35

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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.