Home / 454,730.27-682,157.65-155,130.40

Finding the Fourth Proportional to 454,730.27, 682,157.65 and 155,130.40

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Solution

The fourth proportional to 454,730.27, 682,157.65 and 155,130.40 is: 232,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,730.27 : 682,157.65 = 155,130.40 : x
  2. Step 2: Convert to fraction form
    454,730.27/682,157.65 = 155,130.40/x
  3. Step 3: Cross multiply
    454,730.27x = 682,157.65 × 155,130.40
  4. Step 4: Simplify right side
    454,730.27x = 105,823,390,822.59
  5. Step 5: Solve for x
    x = 105,823,390,822.59/454,730.27
  6. Step 6: Final answer
    x = 232,716.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.