Home / 124,415.35-186,678.15-65,236.96

Finding the Fourth Proportional to 124,415.35, 186,678.15 and 65,236.96

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Solution

The fourth proportional to 124,415.35, 186,678.15 and 65,236.96 is: 97,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415.35 : 186,678.15 = 65,236.96 : x
  2. Step 2: Convert to fraction form
    124,415.35/186,678.15 = 65,236.96/x
  3. Step 3: Cross multiply
    124,415.35x = 186,678.15 × 65,236.96
  4. Step 4: Simplify right side
    124,415.35x = 12,178,315,004.42
  5. Step 5: Solve for x
    x = 12,178,315,004.42/124,415.35
  6. Step 6: Final answer
    x = 97,884.34

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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.