Home / 328,232.20-492,348.30-187,875.40

Finding the Fourth Proportional to 328,232.20, 492,348.30 and 187,875.40

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Solution

The fourth proportional to 328,232.20, 492,348.30 and 187,875.40 is: 281,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,232.20 : 492,348.30 = 187,875.40 : x
  2. Step 2: Convert to fraction form
    328,232.20/492,348.30 = 187,875.40/x
  3. Step 3: Cross multiply
    328,232.20x = 492,348.30 × 187,875.40
  4. Step 4: Simplify right side
    328,232.20x = 92,500,133,801.82
  5. Step 5: Solve for x
    x = 92,500,133,801.82/328,232.20
  6. Step 6: Final answer
    x = 281,813.10

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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.