Home / 109,899.60-164,849.40-65,576.40

Finding the Fourth Proportional to 109,899.60, 164,849.40 and 65,576.40

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Solution

The fourth proportional to 109,899.60, 164,849.40 and 65,576.40 is: 98,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,899.60 : 164,849.40 = 65,576.40 : x
  2. Step 2: Convert to fraction form
    109,899.60/164,849.40 = 65,576.40/x
  3. Step 3: Cross multiply
    109,899.60x = 164,849.40 × 65,576.40
  4. Step 4: Simplify right side
    109,899.60x = 10,810,230,194.16
  5. Step 5: Solve for x
    x = 10,810,230,194.16/109,899.60
  6. Step 6: Final answer
    x = 98,364.60

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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.