Home / 317,621.40-476,432.10-160,157.40

Finding the Fourth Proportional to 317,621.40, 476,432.10 and 160,157.40

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Solution

The fourth proportional to 317,621.40, 476,432.10 and 160,157.40 is: 240,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,621.40 : 476,432.10 = 160,157.40 : x
  2. Step 2: Convert to fraction form
    317,621.40/476,432.10 = 160,157.40/x
  3. Step 3: Cross multiply
    317,621.40x = 476,432.10 × 160,157.40
  4. Step 4: Simplify right side
    317,621.40x = 76,304,126,412.54
  5. Step 5: Solve for x
    x = 76,304,126,412.54/317,621.40
  6. Step 6: Final answer
    x = 240,236.10

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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.