Home / 526,127.21-789,192.46-147,045.43

Finding the Fourth Proportional to 526,127.21, 789,192.46 and 147,045.43

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Solution

The fourth proportional to 526,127.21, 789,192.46 and 147,045.43 is: 220,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,127.21 : 789,192.46 = 147,045.43 : x
  2. Step 2: Convert to fraction form
    526,127.21/789,192.46 = 147,045.43/x
  3. Step 3: Cross multiply
    526,127.21x = 789,192.46 × 147,045.43
  4. Step 4: Simplify right side
    526,127.21x = 116,047,144,633.46
  5. Step 5: Solve for x
    x = 116,047,144,633.46/526,127.21
  6. Step 6: Final answer
    x = 220,568.60

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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.