Home / 212,834.37-319,301.68-63,075.90

Finding the Fourth Proportional to 212,834.37, 319,301.68 and 63,075.90

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Solution

The fourth proportional to 212,834.37, 319,301.68 and 63,075.90 is: 94,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,834.37 : 319,301.68 = 63,075.90 : x
  2. Step 2: Convert to fraction form
    212,834.37/319,301.68 = 63,075.90/x
  3. Step 3: Cross multiply
    212,834.37x = 319,301.68 × 63,075.90
  4. Step 4: Simplify right side
    212,834.37x = 20,140,240,837.51
  5. Step 5: Solve for x
    x = 20,140,240,837.51/212,834.37
  6. Step 6: Final answer
    x = 94,628.71

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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.