Home / 213,805.20-295,029.84-118,298.64

Finding the Fourth Proportional to 213,805.20, 295,029.84 and 118,298.64

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Solution

The fourth proportional to 213,805.20, 295,029.84 and 118,298.64 is: 163,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,805.20 : 295,029.84 = 118,298.64 : x
  2. Step 2: Convert to fraction form
    213,805.20/295,029.84 = 118,298.64/x
  3. Step 3: Cross multiply
    213,805.20x = 295,029.84 × 118,298.64
  4. Step 4: Simplify right side
    213,805.20x = 34,901,628,831.42
  5. Step 5: Solve for x
    x = 34,901,628,831.42/213,805.20
  6. Step 6: Final answer
    x = 163,240.32

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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.