Home / 277,736.18-383,276.14-156,877.70

Finding the Fourth Proportional to 277,736.18, 383,276.14 and 156,877.70

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Solution

The fourth proportional to 277,736.18, 383,276.14 and 156,877.70 is: 216,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,736.18 : 383,276.14 = 156,877.70 : x
  2. Step 2: Convert to fraction form
    277,736.18/383,276.14 = 156,877.70/x
  3. Step 3: Cross multiply
    277,736.18x = 383,276.14 × 156,877.70
  4. Step 4: Simplify right side
    277,736.18x = 60,127,476,999.50
  5. Step 5: Solve for x
    x = 60,127,476,999.50/277,736.18
  6. Step 6: Final answer
    x = 216,491.34

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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.