Home / 199,281.56-298,993.59-85,381.52

Finding the Fourth Proportional to 199,281.56, 298,993.59 and 85,381.52

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Solution

The fourth proportional to 199,281.56, 298,993.59 and 85,381.52 is: 128,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,281.56 : 298,993.59 = 85,381.52 : x
  2. Step 2: Convert to fraction form
    199,281.56/298,993.59 = 85,381.52/x
  3. Step 3: Cross multiply
    199,281.56x = 298,993.59 × 85,381.52
  4. Step 4: Simplify right side
    199,281.56x = 25,528,525,689.49
  5. Step 5: Solve for x
    x = 25,528,525,689.49/199,281.56
  6. Step 6: Final answer
    x = 128,102.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.