Home / 205,047.40-307,571.10-202,282.60

Finding the Fourth Proportional to 205,047.40, 307,571.10 and 202,282.60

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Solution

The fourth proportional to 205,047.40, 307,571.10 and 202,282.60 is: 303,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,047.40 : 307,571.10 = 202,282.60 : x
  2. Step 2: Convert to fraction form
    205,047.40/307,571.10 = 202,282.60/x
  3. Step 3: Cross multiply
    205,047.40x = 307,571.10 × 202,282.60
  4. Step 4: Simplify right side
    205,047.40x = 62,216,281,792.86
  5. Step 5: Solve for x
    x = 62,216,281,792.86/205,047.40
  6. Step 6: Final answer
    x = 303,423.90

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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.