Home / 159,549.37-220,178.15-86,952.26

Finding the Fourth Proportional to 159,549.37, 220,178.15 and 86,952.26

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Solution

The fourth proportional to 159,549.37, 220,178.15 and 86,952.26 is: 119,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,549.37 : 220,178.15 = 86,952.26 : x
  2. Step 2: Convert to fraction form
    159,549.37/220,178.15 = 86,952.26/x
  3. Step 3: Cross multiply
    159,549.37x = 220,178.15 × 86,952.26
  4. Step 4: Simplify right side
    159,549.37x = 19,144,987,745.12
  5. Step 5: Solve for x
    x = 19,144,987,745.12/159,549.37
  6. Step 6: Final answer
    x = 119,994.13

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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.