Home / 86,154.16-129,178.30-33,502.26

Finding the Fourth Proportional to 86,154.16, 129,178.30 and 33,502.26

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Solution

The fourth proportional to 86,154.16, 129,178.30 and 33,502.26 is: 50,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,154.16 : 129,178.30 = 33,502.26 : x
  2. Step 2: Convert to fraction form
    86,154.16/129,178.30 = 33,502.26/x
  3. Step 3: Cross multiply
    86,154.16x = 129,178.30 × 33,502.26
  4. Step 4: Simplify right side
    86,154.16x = 4,327,764,992.96
  5. Step 5: Solve for x
    x = 4,327,764,992.96/86,154.16
  6. Step 6: Final answer
    x = 50,232.80

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1.5x scale

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.