Home / 159,088.51-219,546.48-86,496.31

Finding the Fourth Proportional to 159,088.51, 219,546.48 and 86,496.31

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Solution

The fourth proportional to 159,088.51, 219,546.48 and 86,496.31 is: 119,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,088.51 : 219,546.48 = 86,496.31 : x
  2. Step 2: Convert to fraction form
    159,088.51/219,546.48 = 86,496.31/x
  3. Step 3: Cross multiply
    159,088.51x = 219,546.48 × 86,496.31
  4. Step 4: Simplify right side
    159,088.51x = 18,989,960,393.49
  5. Step 5: Solve for x
    x = 18,989,960,393.49/159,088.51
  6. Step 6: Final answer
    x = 119,367.27

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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.