Home / 277,333.18-382,686.88-156,467.42

Finding the Fourth Proportional to 277,333.18, 382,686.88 and 156,467.42

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Solution

The fourth proportional to 277,333.18, 382,686.88 and 156,467.42 is: 215,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,333.18 : 382,686.88 = 156,467.42 : x
  2. Step 2: Convert to fraction form
    277,333.18/382,686.88 = 156,467.42/x
  3. Step 3: Cross multiply
    277,333.18x = 382,686.88 × 156,467.42
  4. Step 4: Simplify right side
    277,333.18x = 59,878,028,781.45
  5. Step 5: Solve for x
    x = 59,878,028,781.45/277,333.18
  6. Step 6: Final answer
    x = 215,906.47

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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.