Home / 347,320.90-520,990.50-94,603.54

Finding the Fourth Proportional to 347,320.90, 520,990.50 and 94,603.54

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Solution

The fourth proportional to 347,320.90, 520,990.50 and 94,603.54 is: 141,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,320.90 : 520,990.50 = 94,603.54 : x
  2. Step 2: Convert to fraction form
    347,320.90/520,990.50 = 94,603.54/x
  3. Step 3: Cross multiply
    347,320.90x = 520,990.50 × 94,603.54
  4. Step 4: Simplify right side
    347,320.90x = 49,287,545,606.37
  5. Step 5: Solve for x
    x = 49,287,545,606.37/347,320.90
  6. Step 6: Final answer
    x = 141,907.80

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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.