Home / 302,664.45-417,476.93-189,290.37

Finding the Fourth Proportional to 302,664.45, 417,476.93 and 189,290.37

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Solution

The fourth proportional to 302,664.45, 417,476.93 and 189,290.37 is: 261,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,664.45 : 417,476.93 = 189,290.37 : x
  2. Step 2: Convert to fraction form
    302,664.45/417,476.93 = 189,290.37/x
  3. Step 3: Cross multiply
    302,664.45x = 417,476.93 × 189,290.37
  4. Step 4: Simplify right side
    302,664.45x = 79,024,361,599.71
  5. Step 5: Solve for x
    x = 79,024,361,599.71/302,664.45
  6. Step 6: Final answer
    x = 261,095.62

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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.