Home / 174,685.15-261,840.90-90,360.46

Finding the Fourth Proportional to 174,685.15, 261,840.90 and 90,360.46

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Solution

The fourth proportional to 174,685.15, 261,840.90 and 90,360.46 is: 135,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,685.15 : 261,840.90 = 90,360.46 : x
  2. Step 2: Convert to fraction form
    174,685.15/261,840.90 = 90,360.46/x
  3. Step 3: Cross multiply
    174,685.15x = 261,840.90 × 90,360.46
  4. Step 4: Simplify right side
    174,685.15x = 23,660,064,170.81
  5. Step 5: Solve for x
    x = 23,660,064,170.81/174,685.15
  6. Step 6: Final answer
    x = 135,444.05

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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.