Home / 277,766.25-383,316.24-155,258.47

Finding the Fourth Proportional to 277,766.25, 383,316.24 and 155,258.47

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Solution

The fourth proportional to 277,766.25, 383,316.24 and 155,258.47 is: 214,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,766.25 : 383,316.24 = 155,258.47 : x
  2. Step 2: Convert to fraction form
    277,766.25/383,316.24 = 155,258.47/x
  3. Step 3: Cross multiply
    277,766.25x = 383,316.24 × 155,258.47
  4. Step 4: Simplify right side
    277,766.25x = 59,513,092,948.55
  5. Step 5: Solve for x
    x = 59,513,092,948.55/277,766.25
  6. Step 6: Final answer
    x = 214,256.03

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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.