Home / 150,430.48-207,350.44-102,016.40

Finding the Fourth Proportional to 150,430.48, 207,350.44 and 102,016.40

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Solution

The fourth proportional to 150,430.48, 207,350.44 and 102,016.40 is: 140,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,430.48 : 207,350.44 = 102,016.40 : x
  2. Step 2: Convert to fraction form
    150,430.48/207,350.44 = 102,016.40/x
  3. Step 3: Cross multiply
    150,430.48x = 207,350.44 × 102,016.40
  4. Step 4: Simplify right side
    150,430.48x = 21,153,145,427.22
  5. Step 5: Solve for x
    x = 21,153,145,427.22/150,430.48
  6. Step 6: Final answer
    x = 140,617.42

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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.