Home / 162,451.24-243,647.10-73,683.40

Finding the Fourth Proportional to 162,451.24, 243,647.10 and 73,683.40

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Solution

The fourth proportional to 162,451.24, 243,647.10 and 73,683.40 is: 110,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,451.24 : 243,647.10 = 73,683.40 : x
  2. Step 2: Convert to fraction form
    162,451.24/243,647.10 = 73,683.40/x
  3. Step 3: Cross multiply
    162,451.24x = 243,647.10 × 73,683.40
  4. Step 4: Simplify right side
    162,451.24x = 17,952,746,728.14
  5. Step 5: Solve for x
    x = 17,952,746,728.14/162,451.24
  6. Step 6: Final answer
    x = 110,511.60

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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.