Home / 330,114.51-455,561.69-186,871.41

Finding the Fourth Proportional to 330,114.51, 455,561.69 and 186,871.41

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Solution

The fourth proportional to 330,114.51, 455,561.69 and 186,871.41 is: 257,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,114.51 : 455,561.69 = 186,871.41 : x
  2. Step 2: Convert to fraction form
    330,114.51/455,561.69 = 186,871.41/x
  3. Step 3: Cross multiply
    330,114.51x = 455,561.69 × 186,871.41
  4. Step 4: Simplify right side
    330,114.51x = 85,131,454,417.93
  5. Step 5: Solve for x
    x = 85,131,454,417.93/330,114.51
  6. Step 6: Final answer
    x = 257,884.62

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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.