Home / 226,886.04-312,766.98-145,205.28

Finding the Fourth Proportional to 226,886.04, 312,766.98 and 145,205.28

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Solution

The fourth proportional to 226,886.04, 312,766.98 and 145,205.28 is: 200,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,886.04 : 312,766.98 = 145,205.28 : x
  2. Step 2: Convert to fraction form
    226,886.04/312,766.98 = 145,205.28/x
  3. Step 3: Cross multiply
    226,886.04x = 312,766.98 × 145,205.28
  4. Step 4: Simplify right side
    226,886.04x = 45,415,416,905.65
  5. Step 5: Solve for x
    x = 45,415,416,905.65/226,886.04
  6. Step 6: Final answer
    x = 200,168.41

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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.