Home / 174,136.45-261,035.07-89,991.58

Finding the Fourth Proportional to 174,136.45, 261,035.07 and 89,991.58

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Solution

The fourth proportional to 174,136.45, 261,035.07 and 89,991.58 is: 134,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,136.45 : 261,035.07 = 89,991.58 : x
  2. Step 2: Convert to fraction form
    174,136.45/261,035.07 = 89,991.58/x
  3. Step 3: Cross multiply
    174,136.45x = 261,035.07 × 89,991.58
  4. Step 4: Simplify right side
    174,136.45x = 23,490,958,384.71
  5. Step 5: Solve for x
    x = 23,490,958,384.71/174,136.45
  6. Step 6: Final answer
    x = 134,899.72

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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.