Home / 130,786.48-180,539.58-88,402.42

Finding the Fourth Proportional to 130,786.48, 180,539.58 and 88,402.42

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Solution

The fourth proportional to 130,786.48, 180,539.58 and 88,402.42 is: 122,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,786.48 : 180,539.58 = 88,402.42 : x
  2. Step 2: Convert to fraction form
    130,786.48/180,539.58 = 88,402.42/x
  3. Step 3: Cross multiply
    130,786.48x = 180,539.58 × 88,402.42
  4. Step 4: Simplify right side
    130,786.48x = 15,960,135,777.78
  5. Step 5: Solve for x
    x = 15,960,135,777.78/130,786.48
  6. Step 6: Final answer
    x = 122,032.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.