Home / 158,330.08-218,493.84-86,710.24

Finding the Fourth Proportional to 158,330.08, 218,493.84 and 86,710.24

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Solution

The fourth proportional to 158,330.08, 218,493.84 and 86,710.24 is: 119,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,330.08 : 218,493.84 = 86,710.24 : x
  2. Step 2: Convert to fraction form
    158,330.08/218,493.84 = 86,710.24/x
  3. Step 3: Cross multiply
    158,330.08x = 218,493.84 × 86,710.24
  4. Step 4: Simplify right side
    158,330.08x = 18,945,653,304.92
  5. Step 5: Solve for x
    x = 18,945,653,304.92/158,330.08
  6. Step 6: Final answer
    x = 119,659.22

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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.