Home / 346,226.14-478,007.98-223,782.51

Finding the Fourth Proportional to 346,226.14, 478,007.98 and 223,782.51

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Solution

The fourth proportional to 346,226.14, 478,007.98 and 223,782.51 is: 308,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,226.14 : 478,007.98 = 223,782.51 : x
  2. Step 2: Convert to fraction form
    346,226.14/478,007.98 = 223,782.51/x
  3. Step 3: Cross multiply
    346,226.14x = 478,007.98 × 223,782.51
  4. Step 4: Simplify right side
    346,226.14x = 106,969,825,004.97
  5. Step 5: Solve for x
    x = 106,969,825,004.97/346,226.14
  6. Step 6: Final answer
    x = 308,959.42

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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.