Home / 393,649.03-590,121.89-153,707.12

Finding the Fourth Proportional to 393,649.03, 590,121.89 and 153,707.12

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Solution

The fourth proportional to 393,649.03, 590,121.89 and 153,707.12 is: 230,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,649.03 : 590,121.89 = 153,707.12 : x
  2. Step 2: Convert to fraction form
    393,649.03/590,121.89 = 153,707.12/x
  3. Step 3: Cross multiply
    393,649.03x = 590,121.89 × 153,707.12
  4. Step 4: Simplify right side
    393,649.03x = 90,705,935,231.07
  5. Step 5: Solve for x
    x = 90,705,935,231.07/393,649.03
  6. Step 6: Final answer
    x = 230,423.37

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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.