Home / 174,586.80-261,917.40-99,742.80

Finding the Fourth Proportional to 174,586.80, 261,917.40 and 99,742.80

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Solution

The fourth proportional to 174,586.80, 261,917.40 and 99,742.80 is: 149,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,586.80 : 261,917.40 = 99,742.80 : x
  2. Step 2: Convert to fraction form
    174,586.80/261,917.40 = 99,742.80/x
  3. Step 3: Cross multiply
    174,586.80x = 261,917.40 × 99,742.80
  4. Step 4: Simplify right side
    174,586.80x = 26,124,374,844.72
  5. Step 5: Solve for x
    x = 26,124,374,844.72/174,586.80
  6. Step 6: Final answer
    x = 149,635.45

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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.