Home / 148,271.40-222,428.70-48,436.20

Finding the Fourth Proportional to 148,271.40, 222,428.70 and 48,436.20

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Solution

The fourth proportional to 148,271.40, 222,428.70 and 48,436.20 is: 72,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,271.40 : 222,428.70 = 48,436.20 : x
  2. Step 2: Convert to fraction form
    148,271.40/222,428.70 = 48,436.20/x
  3. Step 3: Cross multiply
    148,271.40x = 222,428.70 × 48,436.20
  4. Step 4: Simplify right side
    148,271.40x = 10,773,600,998.94
  5. Step 5: Solve for x
    x = 10,773,600,998.94/148,271.40
  6. Step 6: Final answer
    x = 72,661.36

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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.