Home / 279,544.30-385,771.60-152,220.40

Finding the Fourth Proportional to 279,544.30, 385,771.60 and 152,220.40

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Solution

The fourth proportional to 279,544.30, 385,771.60 and 152,220.40 is: 210,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,544.30 : 385,771.60 = 152,220.40 : x
  2. Step 2: Convert to fraction form
    279,544.30/385,771.60 = 152,220.40/x
  3. Step 3: Cross multiply
    279,544.30x = 385,771.60 × 152,220.40
  4. Step 4: Simplify right side
    279,544.30x = 58,722,307,260.64
  5. Step 5: Solve for x
    x = 58,722,307,260.64/279,544.30
  6. Step 6: Final answer
    x = 210,064.41

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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.