Home / 240,333.18-331,665.42-132,905.28

Finding the Fourth Proportional to 240,333.18, 331,665.42 and 132,905.28

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Solution

The fourth proportional to 240,333.18, 331,665.42 and 132,905.28 is: 183,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,333.18 : 331,665.42 = 132,905.28 : x
  2. Step 2: Convert to fraction form
    240,333.18/331,665.42 = 132,905.28/x
  3. Step 3: Cross multiply
    240,333.18x = 331,665.42 × 132,905.28
  4. Step 4: Simplify right side
    240,333.18x = 44,080,085,511.42
  5. Step 5: Solve for x
    x = 44,080,085,511.42/240,333.18
  6. Step 6: Final answer
    x = 183,412.40

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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.