Home / 277,578.28-383,075.73-156,675.45

Finding the Fourth Proportional to 277,578.28, 383,075.73 and 156,675.45

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Solution

The fourth proportional to 277,578.28, 383,075.73 and 156,675.45 is: 216,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,578.28 : 383,075.73 = 156,675.45 : x
  2. Step 2: Convert to fraction form
    277,578.28/383,075.73 = 156,675.45/x
  3. Step 3: Cross multiply
    277,578.28x = 383,075.73 × 156,675.45
  4. Step 4: Simplify right side
    277,578.28x = 60,018,562,381.83
  5. Step 5: Solve for x
    x = 60,018,562,381.83/277,578.28
  6. Step 6: Final answer
    x = 216,222.11

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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.