Home / 108,529.60-162,794.40-91,033.60

Finding the Fourth Proportional to 108,529.60, 162,794.40 and 91,033.60

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Solution

The fourth proportional to 108,529.60, 162,794.40 and 91,033.60 is: 136,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.60 : 162,794.40 = 91,033.60 : x
  2. Step 2: Convert to fraction form
    108,529.60/162,794.40 = 91,033.60/x
  3. Step 3: Cross multiply
    108,529.60x = 162,794.40 × 91,033.60
  4. Step 4: Simplify right side
    108,529.60x = 14,819,760,291.84
  5. Step 5: Solve for x
    x = 14,819,760,291.84/108,529.60
  6. Step 6: Final answer
    x = 136,550.40

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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.