Home / 277,119.40-382,392.28-156,253.49

Finding the Fourth Proportional to 277,119.40, 382,392.28 and 156,253.49

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Solution

The fourth proportional to 277,119.40, 382,392.28 and 156,253.49 is: 215,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,119.40 : 382,392.28 = 156,253.49 : x
  2. Step 2: Convert to fraction form
    277,119.40/382,392.28 = 156,253.49/x
  3. Step 3: Cross multiply
    277,119.40x = 382,392.28 × 156,253.49
  4. Step 4: Simplify right side
    277,119.40x = 59,750,125,605.83
  5. Step 5: Solve for x
    x = 59,750,125,605.83/277,119.40
  6. Step 6: Final answer
    x = 215,611.49

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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.