Home / 421,099.60-581,116.26-230,114.20

Finding the Fourth Proportional to 421,099.60, 581,116.26 and 230,114.20

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Solution

The fourth proportional to 421,099.60, 581,116.26 and 230,114.20 is: 317,556.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,099.60 : 581,116.26 = 230,114.20 : x
  2. Step 2: Convert to fraction form
    421,099.60/581,116.26 = 230,114.20/x
  3. Step 3: Cross multiply
    421,099.60x = 581,116.26 × 230,114.20
  4. Step 4: Simplify right side
    421,099.60x = 133,723,103,276.89
  5. Step 5: Solve for x
    x = 133,723,103,276.89/421,099.60
  6. Step 6: Final answer
    x = 317,556.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.