Home / 158,827.07-219,179.84-87,206.46

Finding the Fourth Proportional to 158,827.07, 219,179.84 and 87,206.46

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Solution

The fourth proportional to 158,827.07, 219,179.84 and 87,206.46 is: 120,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,827.07 : 219,179.84 = 87,206.46 : x
  2. Step 2: Convert to fraction form
    158,827.07/219,179.84 = 87,206.46/x
  3. Step 3: Cross multiply
    158,827.07x = 219,179.84 × 87,206.46
  4. Step 4: Simplify right side
    158,827.07x = 19,113,897,513.73
  5. Step 5: Solve for x
    x = 19,113,897,513.73/158,827.07
  6. Step 6: Final answer
    x = 120,344.08

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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.