Home / 328,384.20-492,576.30-118,043.40

Finding the Fourth Proportional to 328,384.20, 492,576.30 and 118,043.40

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Solution

The fourth proportional to 328,384.20, 492,576.30 and 118,043.40 is: 177,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,384.20 : 492,576.30 = 118,043.40 : x
  2. Step 2: Convert to fraction form
    328,384.20/492,576.30 = 118,043.40/x
  3. Step 3: Cross multiply
    328,384.20x = 492,576.30 × 118,043.40
  4. Step 4: Simplify right side
    328,384.20x = 58,145,381,211.42
  5. Step 5: Solve for x
    x = 58,145,381,211.42/328,384.20
  6. Step 6: Final answer
    x = 177,065.10

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1.5x scale

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.