Home / 199,987.76-275,986.06-135,476.73

Finding the Fourth Proportional to 199,987.76, 275,986.06 and 135,476.73

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Solution

The fourth proportional to 199,987.76, 275,986.06 and 135,476.73 is: 186,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,987.76 : 275,986.06 = 135,476.73 : x
  2. Step 2: Convert to fraction form
    199,987.76/275,986.06 = 135,476.73/x
  3. Step 3: Cross multiply
    199,987.76x = 275,986.06 × 135,476.73
  4. Step 4: Simplify right side
    199,987.76x = 37,389,688,934.38
  5. Step 5: Solve for x
    x = 37,389,688,934.38/199,987.76
  6. Step 6: Final answer
    x = 186,959.89

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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.