Home / 277,867.27-383,315.75-175,720.70

Finding the Fourth Proportional to 277,867.27, 383,315.75 and 175,720.70

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Solution

The fourth proportional to 277,867.27, 383,315.75 and 175,720.70 is: 242,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,867.27 : 383,315.75 = 175,720.70 : x
  2. Step 2: Convert to fraction form
    277,867.27/383,315.75 = 175,720.70/x
  3. Step 3: Cross multiply
    277,867.27x = 383,315.75 × 175,720.70
  4. Step 4: Simplify right side
    277,867.27x = 67,356,511,911.03
  5. Step 5: Solve for x
    x = 67,356,511,911.03/277,867.27
  6. Step 6: Final answer
    x = 242,405.35

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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.