Home / 372,122.60-557,568.30-214,075.40

Finding the Fourth Proportional to 372,122.60, 557,568.30 and 214,075.40

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Solution

The fourth proportional to 372,122.60, 557,568.30 and 214,075.40 is: 320,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,122.60 : 557,568.30 = 214,075.40 : x
  2. Step 2: Convert to fraction form
    372,122.60/557,568.30 = 214,075.40/x
  3. Step 3: Cross multiply
    372,122.60x = 557,568.30 × 214,075.40
  4. Step 4: Simplify right side
    372,122.60x = 119,361,656,849.82
  5. Step 5: Solve for x
    x = 119,361,656,849.82/372,122.60
  6. Step 6: Final answer
    x = 320,758.96

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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.