Home / 350,530.40-526,141.20-173,237.60

Finding the Fourth Proportional to 350,530.40, 526,141.20 and 173,237.60

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Solution

The fourth proportional to 350,530.40, 526,141.20 and 173,237.60 is: 260,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,530.40 : 526,141.20 = 173,237.60 : x
  2. Step 2: Convert to fraction form
    350,530.40/526,141.20 = 173,237.60/x
  3. Step 3: Cross multiply
    350,530.40x = 526,141.20 × 173,237.60
  4. Step 4: Simplify right side
    350,530.40x = 91,147,438,749.12
  5. Step 5: Solve for x
    x = 91,147,438,749.12/350,530.40
  6. Step 6: Final answer
    x = 260,027.20

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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.