Home / 226,475.80-312,566.92-146,136.89

Finding the Fourth Proportional to 226,475.80, 312,566.92 and 146,136.89

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Solution

The fourth proportional to 226,475.80, 312,566.92 and 146,136.89 is: 201,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,475.80 : 312,566.92 = 146,136.89 : x
  2. Step 2: Convert to fraction form
    226,475.80/312,566.92 = 146,136.89/x
  3. Step 3: Cross multiply
    226,475.80x = 312,566.92 × 146,136.89
  4. Step 4: Simplify right side
    226,475.80x = 45,677,558,021.75
  5. Step 5: Solve for x
    x = 45,677,558,021.75/226,475.80
  6. Step 6: Final answer
    x = 201,688.47

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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.