Home / 158,586.52-218,852.41-86,962.27

Finding the Fourth Proportional to 158,586.52, 218,852.41 and 86,962.27

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Solution

The fourth proportional to 158,586.52, 218,852.41 and 86,962.27 is: 120,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,586.52 : 218,852.41 = 86,962.27 : x
  2. Step 2: Convert to fraction form
    158,586.52/218,852.41 = 86,962.27/x
  3. Step 3: Cross multiply
    158,586.52x = 218,852.41 × 86,962.27
  4. Step 4: Simplify right side
    158,586.52x = 19,031,901,933.76
  5. Step 5: Solve for x
    x = 19,031,901,933.76/158,586.52
  6. Step 6: Final answer
    x = 120,009.58

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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.