Home / 158,884.93-219,265.14-87,271.62

Finding the Fourth Proportional to 158,884.93, 219,265.14 and 87,271.62

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Solution

The fourth proportional to 158,884.93, 219,265.14 and 87,271.62 is: 120,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,884.93 : 219,265.14 = 87,271.62 : x
  2. Step 2: Convert to fraction form
    158,884.93/219,265.14 = 87,271.62/x
  3. Step 3: Cross multiply
    158,884.93x = 219,265.14 × 87,271.62
  4. Step 4: Simplify right side
    158,884.93x = 19,135,623,977.33
  5. Step 5: Solve for x
    x = 19,135,623,977.33/158,884.93
  6. Step 6: Final answer
    x = 120,437.00

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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.