Home / 296,669.12-445,031.02-96,990.56

Finding the Fourth Proportional to 296,669.12, 445,031.02 and 96,990.56

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Solution

The fourth proportional to 296,669.12, 445,031.02 and 96,990.56 is: 145,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,669.12 : 445,031.02 = 96,990.56 : x
  2. Step 2: Convert to fraction form
    296,669.12/445,031.02 = 96,990.56/x
  3. Step 3: Cross multiply
    296,669.12x = 445,031.02 × 96,990.56
  4. Step 4: Simplify right side
    296,669.12x = 43,163,807,847.17
  5. Step 5: Solve for x
    x = 43,163,807,847.17/296,669.12
  6. Step 6: Final answer
    x = 145,494.78

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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.