Home / 178,406.38-246,506.79-172,020.34

Finding the Fourth Proportional to 178,406.38, 246,506.79 and 172,020.34

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Solution

The fourth proportional to 178,406.38, 246,506.79 and 172,020.34 is: 237,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,406.38 : 246,506.79 = 172,020.34 : x
  2. Step 2: Convert to fraction form
    178,406.38/246,506.79 = 172,020.34/x
  3. Step 3: Cross multiply
    178,406.38x = 246,506.79 × 172,020.34
  4. Step 4: Simplify right side
    178,406.38x = 42,404,181,828.11
  5. Step 5: Solve for x
    x = 42,404,181,828.11/178,406.38
  6. Step 6: Final answer
    x = 237,683.10

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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.