Home / 158,014.08-218,057.94-86,393.34

Finding the Fourth Proportional to 158,014.08, 218,057.94 and 86,393.34

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Solution

The fourth proportional to 158,014.08, 218,057.94 and 86,393.34 is: 119,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,014.08 : 218,057.94 = 86,393.34 : x
  2. Step 2: Convert to fraction form
    158,014.08/218,057.94 = 86,393.34/x
  3. Step 3: Cross multiply
    158,014.08x = 218,057.94 × 86,393.34
  4. Step 4: Simplify right side
    158,014.08x = 18,838,753,750.12
  5. Step 5: Solve for x
    x = 18,838,753,750.12/158,014.08
  6. Step 6: Final answer
    x = 119,221.99

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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.