Home / 330,156.23-454,595.44-257,851.19

Finding the Fourth Proportional to 330,156.23, 454,595.44 and 257,851.19

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Solution

The fourth proportional to 330,156.23, 454,595.44 and 257,851.19 is: 355,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,156.23 : 454,595.44 = 257,851.19 : x
  2. Step 2: Convert to fraction form
    330,156.23/454,595.44 = 257,851.19/x
  3. Step 3: Cross multiply
    330,156.23x = 454,595.44 × 257,851.19
  4. Step 4: Simplify right side
    330,156.23x = 117,217,975,172.57
  5. Step 5: Solve for x
    x = 117,217,975,172.57/330,156.23
  6. Step 6: Final answer
    x = 355,037.90

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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.