Home / 239,315.10-330,254.07-131,885.10

Finding the Fourth Proportional to 239,315.10, 330,254.07 and 131,885.10

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Solution

The fourth proportional to 239,315.10, 330,254.07 and 131,885.10 is: 182,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,315.10 : 330,254.07 = 131,885.10 : x
  2. Step 2: Convert to fraction form
    239,315.10/330,254.07 = 131,885.10/x
  3. Step 3: Cross multiply
    239,315.10x = 330,254.07 × 131,885.10
  4. Step 4: Simplify right side
    239,315.10x = 43,555,591,047.36
  5. Step 5: Solve for x
    x = 43,555,591,047.36/239,315.10
  6. Step 6: Final answer
    x = 182,001.01

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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.