Home / 405,153.48-559,096.72-223,861.51

Finding the Fourth Proportional to 405,153.48, 559,096.72 and 223,861.51

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Solution

The fourth proportional to 405,153.48, 559,096.72 and 223,861.51 is: 308,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,153.48 : 559,096.72 = 223,861.51 : x
  2. Step 2: Convert to fraction form
    405,153.48/559,096.72 = 223,861.51/x
  3. Step 3: Cross multiply
    405,153.48x = 559,096.72 × 223,861.51
  4. Step 4: Simplify right side
    405,153.48x = 125,160,235,975.25
  5. Step 5: Solve for x
    x = 125,160,235,975.25/405,153.48
  6. Step 6: Final answer
    x = 308,920.55

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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.