Home / 205,415.46-283,470.23-114,772.68

Finding the Fourth Proportional to 205,415.46, 283,470.23 and 114,772.68

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Solution

The fourth proportional to 205,415.46, 283,470.23 and 114,772.68 is: 158,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,415.46 : 283,470.23 = 114,772.68 : x
  2. Step 2: Convert to fraction form
    205,415.46/283,470.23 = 114,772.68/x
  3. Step 3: Cross multiply
    205,415.46x = 283,470.23 × 114,772.68
  4. Step 4: Simplify right side
    205,415.46x = 32,534,638,284.25
  5. Step 5: Solve for x
    x = 32,534,638,284.25/205,415.46
  6. Step 6: Final answer
    x = 158,384.57

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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.