Home / 312,455.01-468,683.22-112,916.34

Finding the Fourth Proportional to 312,455.01, 468,683.22 and 112,916.34

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Solution

The fourth proportional to 312,455.01, 468,683.22 and 112,916.34 is: 169,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,455.01 : 468,683.22 = 112,916.34 : x
  2. Step 2: Convert to fraction form
    312,455.01/468,683.22 = 112,916.34/x
  3. Step 3: Cross multiply
    312,455.01x = 468,683.22 × 112,916.34
  4. Step 4: Simplify right side
    312,455.01x = 52,921,993,821.81
  5. Step 5: Solve for x
    x = 52,921,993,821.81/312,455.01
  6. Step 6: Final answer
    x = 169,374.76

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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.