Home / 159,208.23-219,708.81-86,612.73

Finding the Fourth Proportional to 159,208.23, 219,708.81 and 86,612.73

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Solution

The fourth proportional to 159,208.23, 219,708.81 and 86,612.73 is: 119,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,208.23 : 219,708.81 = 86,612.73 : x
  2. Step 2: Convert to fraction form
    159,208.23/219,708.81 = 86,612.73/x
  3. Step 3: Cross multiply
    159,208.23x = 219,708.81 × 86,612.73
  4. Step 4: Simplify right side
    159,208.23x = 19,029,579,839.15
  5. Step 5: Solve for x
    x = 19,029,579,839.15/159,208.23
  6. Step 6: Final answer
    x = 119,526.36

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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.