Home / 174,711.94-261,880.97-90,387.16

Finding the Fourth Proportional to 174,711.94, 261,880.97 and 90,387.16

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Solution

The fourth proportional to 174,711.94, 261,880.97 and 90,387.16 is: 135,484.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,711.94 : 261,880.97 = 90,387.16 : x
  2. Step 2: Convert to fraction form
    174,711.94/261,880.97 = 90,387.16/x
  3. Step 3: Cross multiply
    174,711.94x = 261,880.97 × 90,387.16
  4. Step 4: Simplify right side
    174,711.94x = 23,670,676,029.71
  5. Step 5: Solve for x
    x = 23,670,676,029.71/174,711.94
  6. Step 6: Final answer
    x = 135,484.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.