Home / 620,156.24-930,064.20-170,771.60

Finding the Fourth Proportional to 620,156.24, 930,064.20 and 170,771.60

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Solution

The fourth proportional to 620,156.24, 930,064.20 and 170,771.60 is: 256,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,156.24 : 930,064.20 = 170,771.60 : x
  2. Step 2: Convert to fraction form
    620,156.24/930,064.20 = 170,771.60/x
  3. Step 3: Cross multiply
    620,156.24x = 930,064.20 × 170,771.60
  4. Step 4: Simplify right side
    620,156.24x = 158,828,551,536.72
  5. Step 5: Solve for x
    x = 158,828,551,536.72/620,156.24
  6. Step 6: Final answer
    x = 256,110.54

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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.