Home / 281,623.23-388,644.08-168,424.11

Finding the Fourth Proportional to 281,623.23, 388,644.08 and 168,424.11

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Solution

The fourth proportional to 281,623.23, 388,644.08 and 168,424.11 is: 232,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,623.23 : 388,644.08 = 168,424.11 : x
  2. Step 2: Convert to fraction form
    281,623.23/388,644.08 = 168,424.11/x
  3. Step 3: Cross multiply
    281,623.23x = 388,644.08 × 168,424.11
  4. Step 4: Simplify right side
    281,623.23x = 65,457,032,438.65
  5. Step 5: Solve for x
    x = 65,457,032,438.65/281,623.23
  6. Step 6: Final answer
    x = 232,427.67

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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.