Home / 306,918.19-423,568.37-186,064.57

Finding the Fourth Proportional to 306,918.19, 423,568.37 and 186,064.57

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Solution

The fourth proportional to 306,918.19, 423,568.37 and 186,064.57 is: 256,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,918.19 : 423,568.37 = 186,064.57 : x
  2. Step 2: Convert to fraction form
    306,918.19/423,568.37 = 186,064.57/x
  3. Step 3: Cross multiply
    306,918.19x = 423,568.37 × 186,064.57
  4. Step 4: Simplify right side
    306,918.19x = 78,811,066,629.65
  5. Step 5: Solve for x
    x = 78,811,066,629.65/306,918.19
  6. Step 6: Final answer
    x = 256,782.00

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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.