Home / 210,076.43-289,880.25-119,432.57

Finding the Fourth Proportional to 210,076.43, 289,880.25 and 119,432.57

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Solution

The fourth proportional to 210,076.43, 289,880.25 and 119,432.57 is: 164,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,076.43 : 289,880.25 = 119,432.57 : x
  2. Step 2: Convert to fraction form
    210,076.43/289,880.25 = 119,432.57/x
  3. Step 3: Cross multiply
    210,076.43x = 289,880.25 × 119,432.57
  4. Step 4: Simplify right side
    210,076.43x = 34,621,143,249.74
  5. Step 5: Solve for x
    x = 34,621,143,249.74/210,076.43
  6. Step 6: Final answer
    x = 164,802.61

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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.