Home / 277,254.72-382,611.06-156,395.63

Finding the Fourth Proportional to 277,254.72, 382,611.06 and 156,395.63

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Solution

The fourth proportional to 277,254.72, 382,611.06 and 156,395.63 is: 215,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,254.72 : 382,611.06 = 156,395.63 : x
  2. Step 2: Convert to fraction form
    277,254.72/382,611.06 = 156,395.63/x
  3. Step 3: Cross multiply
    277,254.72x = 382,611.06 × 156,395.63
  4. Step 4: Simplify right side
    277,254.72x = 59,838,698,730.20
  5. Step 5: Solve for x
    x = 59,838,698,730.20/277,254.72
  6. Step 6: Final answer
    x = 215,825.72

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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.