Home / 330,154.23-454,592.69-257,849.19

Finding the Fourth Proportional to 330,154.23, 454,592.69 and 257,849.19

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Solution

The fourth proportional to 330,154.23, 454,592.69 and 257,849.19 is: 355,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,154.23 : 454,592.69 = 257,849.19 : x
  2. Step 2: Convert to fraction form
    330,154.23/454,592.69 = 257,849.19/x
  3. Step 3: Cross multiply
    330,154.23x = 454,592.69 × 257,849.19
  4. Step 4: Simplify right side
    330,154.23x = 117,216,355,607.18
  5. Step 5: Solve for x
    x = 117,216,355,607.18/330,154.23
  6. Step 6: Final answer
    x = 355,035.15

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1.5x scale

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.