Home / 150,490.06-207,697.44-93,147.78

Finding the Fourth Proportional to 150,490.06, 207,697.44 and 93,147.78

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Solution

The fourth proportional to 150,490.06, 207,697.44 and 93,147.78 is: 128,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,490.06 : 207,697.44 = 93,147.78 : x
  2. Step 2: Convert to fraction form
    150,490.06/207,697.44 = 93,147.78/x
  3. Step 3: Cross multiply
    150,490.06x = 207,697.44 × 93,147.78
  4. Step 4: Simplify right side
    150,490.06x = 19,346,554,409.20
  5. Step 5: Solve for x
    x = 19,346,554,409.20/150,490.06
  6. Step 6: Final answer
    x = 128,557.03

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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.