Home / 277,121.96-382,395.81-156,256.05

Finding the Fourth Proportional to 277,121.96, 382,395.81 and 156,256.05

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Solution

The fourth proportional to 277,121.96, 382,395.81 and 156,256.05 is: 215,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,121.96 : 382,395.81 = 156,256.05 : x
  2. Step 2: Convert to fraction form
    277,121.96/382,395.81 = 156,256.05/x
  3. Step 3: Cross multiply
    277,121.96x = 382,395.81 × 156,256.05
  4. Step 4: Simplify right side
    277,121.96x = 59,751,658,807.15
  5. Step 5: Solve for x
    x = 59,751,658,807.15/277,121.96
  6. Step 6: Final answer
    x = 215,615.03

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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.