Home / 239,814-330,943.36-132,384.10

Finding the Fourth Proportional to 239,814, 330,943.36 and 132,384.10

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Solution

The fourth proportional to 239,814, 330,943.36 and 132,384.10 is: 182,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,814 : 330,943.36 = 132,384.10 : x
  2. Step 2: Convert to fraction form
    239,814/330,943.36 = 132,384.10/x
  3. Step 3: Cross multiply
    239,814x = 330,943.36 × 132,384.10
  4. Step 4: Simplify right side
    239,814x = 43,811,638,864.58
  5. Step 5: Solve for x
    x = 43,811,638,864.58/239,814
  6. Step 6: Final answer
    x = 182,690.08

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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.