Home / 163,724.16-245,586.24-45,395.50

Finding the Fourth Proportional to 163,724.16, 245,586.24 and 45,395.50

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Solution

The fourth proportional to 163,724.16, 245,586.24 and 45,395.50 is: 68,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,724.16 : 245,586.24 = 45,395.50 : x
  2. Step 2: Convert to fraction form
    163,724.16/245,586.24 = 45,395.50/x
  3. Step 3: Cross multiply
    163,724.16x = 245,586.24 × 45,395.50
  4. Step 4: Simplify right side
    163,724.16x = 11,148,510,157.92
  5. Step 5: Solve for x
    x = 11,148,510,157.92/163,724.16
  6. Step 6: Final answer
    x = 68,093.25

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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.