Home / 370,237.20-555,557.40-201,747.60

Finding the Fourth Proportional to 370,237.20, 555,557.40 and 201,747.60

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Solution

The fourth proportional to 370,237.20, 555,557.40 and 201,747.60 is: 302,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,237.20 : 555,557.40 = 201,747.60 : x
  2. Step 2: Convert to fraction form
    370,237.20/555,557.40 = 201,747.60/x
  3. Step 3: Cross multiply
    370,237.20x = 555,557.40 × 201,747.60
  4. Step 4: Simplify right side
    370,237.20x = 112,082,372,112.24
  5. Step 5: Solve for x
    x = 112,082,372,112.24/370,237.20
  6. Step 6: Final answer
    x = 302,731.25

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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.