Home / 237,897.16-356,919.77-77,974.49

Finding the Fourth Proportional to 237,897.16, 356,919.77 and 77,974.49

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Solution

The fourth proportional to 237,897.16, 356,919.77 and 77,974.49 is: 116,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,897.16 : 356,919.77 = 77,974.49 : x
  2. Step 2: Convert to fraction form
    237,897.16/356,919.77 = 77,974.49/x
  3. Step 3: Cross multiply
    237,897.16x = 356,919.77 × 77,974.49
  4. Step 4: Simplify right side
    237,897.16x = 27,830,638,563.65
  5. Step 5: Solve for x
    x = 27,830,638,563.65/237,897.16
  6. Step 6: Final answer
    x = 116,986.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.