Home / 155,054.80-213,998.92-94,660.52

Finding the Fourth Proportional to 155,054.80, 213,998.92 and 94,660.52

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Solution

The fourth proportional to 155,054.80, 213,998.92 and 94,660.52 is: 130,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,054.80 : 213,998.92 = 94,660.52 : x
  2. Step 2: Convert to fraction form
    155,054.80/213,998.92 = 94,660.52/x
  3. Step 3: Cross multiply
    155,054.80x = 213,998.92 × 94,660.52
  4. Step 4: Simplify right side
    155,054.80x = 20,257,249,046.64
  5. Step 5: Solve for x
    x = 20,257,249,046.64/155,054.80
  6. Step 6: Final answer
    x = 130,645.74

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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.