Home / 314,815.18-434,450.32-171,583.08

Finding the Fourth Proportional to 314,815.18, 434,450.32 and 171,583.08

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Solution

The fourth proportional to 314,815.18, 434,450.32 and 171,583.08 is: 236,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,815.18 : 434,450.32 = 171,583.08 : x
  2. Step 2: Convert to fraction form
    314,815.18/434,450.32 = 171,583.08/x
  3. Step 3: Cross multiply
    314,815.18x = 434,450.32 × 171,583.08
  4. Step 4: Simplify right side
    314,815.18x = 74,544,324,012.59
  5. Step 5: Solve for x
    x = 74,544,324,012.59/314,815.18
  6. Step 6: Final answer
    x = 236,787.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.