Home / 442,968.40-664,015.20-176,373.10

Finding the Fourth Proportional to 442,968.40, 664,015.20 and 176,373.10

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Solution

The fourth proportional to 442,968.40, 664,015.20 and 176,373.10 is: 264,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,968.40 : 664,015.20 = 176,373.10 : x
  2. Step 2: Convert to fraction form
    442,968.40/664,015.20 = 176,373.10/x
  3. Step 3: Cross multiply
    442,968.40x = 664,015.20 × 176,373.10
  4. Step 4: Simplify right side
    442,968.40x = 117,114,419,271.12
  5. Step 5: Solve for x
    x = 117,114,419,271.12/442,968.40
  6. Step 6: Final answer
    x = 264,385.49

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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.