Home / 319,619.10-441,083.63-174,434.20

Finding the Fourth Proportional to 319,619.10, 441,083.63 and 174,434.20

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Solution

The fourth proportional to 319,619.10, 441,083.63 and 174,434.20 is: 240,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,619.10 : 441,083.63 = 174,434.20 : x
  2. Step 2: Convert to fraction form
    319,619.10/441,083.63 = 174,434.20/x
  3. Step 3: Cross multiply
    319,619.10x = 441,083.63 × 174,434.20
  4. Step 4: Simplify right side
    319,619.10x = 76,940,068,848.15
  5. Step 5: Solve for x
    x = 76,940,068,848.15/319,619.10
  6. Step 6: Final answer
    x = 240,724.25

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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.