Home / 346,965.36-478,759.32-196,007.28

Finding the Fourth Proportional to 346,965.36, 478,759.32 and 196,007.28

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Solution

The fourth proportional to 346,965.36, 478,759.32 and 196,007.28 is: 270,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,965.36 : 478,759.32 = 196,007.28 : x
  2. Step 2: Convert to fraction form
    346,965.36/478,759.32 = 196,007.28/x
  3. Step 3: Cross multiply
    346,965.36x = 478,759.32 × 196,007.28
  4. Step 4: Simplify right side
    346,965.36x = 93,840,312,087.85
  5. Step 5: Solve for x
    x = 93,840,312,087.85/346,965.36
  6. Step 6: Final answer
    x = 270,460.18

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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.