Home / 335,231.34-502,514.87-157,420.05

Finding the Fourth Proportional to 335,231.34, 502,514.87 and 157,420.05

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Solution

The fourth proportional to 335,231.34, 502,514.87 and 157,420.05 is: 235,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,231.34 : 502,514.87 = 157,420.05 : x
  2. Step 2: Convert to fraction form
    335,231.34/502,514.87 = 157,420.05/x
  3. Step 3: Cross multiply
    335,231.34x = 502,514.87 × 157,420.05
  4. Step 4: Simplify right side
    335,231.34x = 79,105,915,174.04
  5. Step 5: Solve for x
    x = 79,105,915,174.04/335,231.34
  6. Step 6: Final answer
    x = 235,974.10

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1.5x scale

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.