Home / 279,258.72-385,365.60-151,934.44

Finding the Fourth Proportional to 279,258.72, 385,365.60 and 151,934.44

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Solution

The fourth proportional to 279,258.72, 385,365.60 and 151,934.44 is: 209,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,258.72 : 385,365.60 = 151,934.44 : x
  2. Step 2: Convert to fraction form
    279,258.72/385,365.60 = 151,934.44/x
  3. Step 3: Cross multiply
    279,258.72x = 385,365.60 × 151,934.44
  4. Step 4: Simplify right side
    279,258.72x = 58,550,306,631.26
  5. Step 5: Solve for x
    x = 58,550,306,631.26/279,258.72
  6. Step 6: Final answer
    x = 209,663.31

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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.