Home / 328,352.03-492,555.99-103,652.35

Finding the Fourth Proportional to 328,352.03, 492,555.99 and 103,652.35

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Solution

The fourth proportional to 328,352.03, 492,555.99 and 103,652.35 is: 155,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,352.03 : 492,555.99 = 103,652.35 : x
  2. Step 2: Convert to fraction form
    328,352.03/492,555.99 = 103,652.35/x
  3. Step 3: Cross multiply
    328,352.03x = 492,555.99 × 103,652.35
  4. Step 4: Simplify right side
    328,352.03x = 51,054,585,351.81
  5. Step 5: Solve for x
    x = 51,054,585,351.81/328,352.03
  6. Step 6: Final answer
    x = 155,487.34

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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.