Home / 328,016.20-492,024.30-117,626.80

Finding the Fourth Proportional to 328,016.20, 492,024.30 and 117,626.80

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Solution

The fourth proportional to 328,016.20, 492,024.30 and 117,626.80 is: 176,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,016.20 : 492,024.30 = 117,626.80 : x
  2. Step 2: Convert to fraction form
    328,016.20/492,024.30 = 117,626.80/x
  3. Step 3: Cross multiply
    328,016.20x = 492,024.30 × 117,626.80
  4. Step 4: Simplify right side
    328,016.20x = 57,875,243,931.24
  5. Step 5: Solve for x
    x = 57,875,243,931.24/328,016.20
  6. Step 6: Final answer
    x = 176,440.20

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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.