Home / 330,111.24-455,564.43-186,868.32

Finding the Fourth Proportional to 330,111.24, 455,564.43 and 186,868.32

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Solution

The fourth proportional to 330,111.24, 455,564.43 and 186,868.32 is: 257,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,111.24 : 455,564.43 = 186,868.32 : x
  2. Step 2: Convert to fraction form
    330,111.24/455,564.43 = 186,868.32/x
  3. Step 3: Cross multiply
    330,111.24x = 455,564.43 × 186,868.32
  4. Step 4: Simplify right side
    330,111.24x = 85,130,559,685.86
  5. Step 5: Solve for x
    x = 85,130,559,685.86/330,111.24
  6. Step 6: Final answer
    x = 257,884.46

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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.