Home / 526,128.70-789,194.73-147,046.95

Finding the Fourth Proportional to 526,128.70, 789,194.73 and 147,046.95

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Solution

The fourth proportional to 526,128.70, 789,194.73 and 147,046.95 is: 220,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,128.70 : 789,194.73 = 147,046.95 : x
  2. Step 2: Convert to fraction form
    526,128.70/789,194.73 = 147,046.95/x
  3. Step 3: Cross multiply
    526,128.70x = 789,194.73 × 147,046.95
  4. Step 4: Simplify right side
    526,128.70x = 116,048,678,002.57
  5. Step 5: Solve for x
    x = 116,048,678,002.57/526,128.70
  6. Step 6: Final answer
    x = 220,570.89

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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.