Home / 205,622.01-283,756.77-114,978.15

Finding the Fourth Proportional to 205,622.01, 283,756.77 and 114,978.15

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Solution

The fourth proportional to 205,622.01, 283,756.77 and 114,978.15 is: 158,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,622.01 : 283,756.77 = 114,978.15 : x
  2. Step 2: Convert to fraction form
    205,622.01/283,756.77 = 114,978.15/x
  3. Step 3: Cross multiply
    205,622.01x = 283,756.77 × 114,978.15
  4. Step 4: Simplify right side
    205,622.01x = 32,625,828,464.58
  5. Step 5: Solve for x
    x = 32,625,828,464.58/205,622.01
  6. Step 6: Final answer
    x = 158,668.95

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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.