Home / 158,586.77-218,852.75-86,962.52

Finding the Fourth Proportional to 158,586.77, 218,852.75 and 86,962.52

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Solution

The fourth proportional to 158,586.77, 218,852.75 and 86,962.52 is: 120,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,586.77 : 218,852.75 = 86,962.52 : x
  2. Step 2: Convert to fraction form
    158,586.77/218,852.75 = 86,962.52/x
  3. Step 3: Cross multiply
    158,586.77x = 218,852.75 × 86,962.52
  4. Step 4: Simplify right side
    158,586.77x = 19,031,986,648.93
  5. Step 5: Solve for x
    x = 19,031,986,648.93/158,586.77
  6. Step 6: Final answer
    x = 120,009.93

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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.