Home / 130,566.33-180,149.27-76,847.13

Finding the Fourth Proportional to 130,566.33, 180,149.27 and 76,847.13

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Solution

The fourth proportional to 130,566.33, 180,149.27 and 76,847.13 is: 106,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,566.33 : 180,149.27 = 76,847.13 : x
  2. Step 2: Convert to fraction form
    130,566.33/180,149.27 = 76,847.13/x
  3. Step 3: Cross multiply
    130,566.33x = 180,149.27 × 76,847.13
  4. Step 4: Simplify right side
    130,566.33x = 13,843,953,986.86
  5. Step 5: Solve for x
    x = 13,843,953,986.86/130,566.33
  6. Step 6: Final answer
    x = 106,030.05

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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.