Home / 213,807.06-295,053.78-118,314.12

Finding the Fourth Proportional to 213,807.06, 295,053.78 and 118,314.12

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Solution

The fourth proportional to 213,807.06, 295,053.78 and 118,314.12 is: 163,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,807.06 : 295,053.78 = 118,314.12 : x
  2. Step 2: Convert to fraction form
    213,807.06/295,053.78 = 118,314.12/x
  3. Step 3: Cross multiply
    213,807.06x = 295,053.78 × 118,314.12
  4. Step 4: Simplify right side
    213,807.06x = 34,909,028,333.37
  5. Step 5: Solve for x
    x = 34,909,028,333.37/213,807.06
  6. Step 6: Final answer
    x = 163,273.51

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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.