Home / 130,241.46-179,676.18-76,502.25

Finding the Fourth Proportional to 130,241.46, 179,676.18 and 76,502.25

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Solution

The fourth proportional to 130,241.46, 179,676.18 and 76,502.25 is: 105,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,241.46 : 179,676.18 = 76,502.25 : x
  2. Step 2: Convert to fraction form
    130,241.46/179,676.18 = 76,502.25/x
  3. Step 3: Cross multiply
    130,241.46x = 179,676.18 × 76,502.25
  4. Step 4: Simplify right side
    130,241.46x = 13,745,632,041.41
  5. Step 5: Solve for x
    x = 13,745,632,041.41/130,241.46
  6. Step 6: Final answer
    x = 105,539.60

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1.5x scale

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.