Home / 150,094.96-207,040.80-99,108.16

Finding the Fourth Proportional to 150,094.96, 207,040.80 and 99,108.16

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Solution

The fourth proportional to 150,094.96, 207,040.80 and 99,108.16 is: 136,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,094.96 : 207,040.80 = 99,108.16 : x
  2. Step 2: Convert to fraction form
    150,094.96/207,040.80 = 99,108.16/x
  3. Step 3: Cross multiply
    150,094.96x = 207,040.80 × 99,108.16
  4. Step 4: Simplify right side
    150,094.96x = 20,519,432,732.93
  5. Step 5: Solve for x
    x = 20,519,432,732.93/150,094.96
  6. Step 6: Final answer
    x = 136,709.67

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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.