Home / 129,089.60-193,634.40-108,353.60

Finding the Fourth Proportional to 129,089.60, 193,634.40 and 108,353.60

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Solution

The fourth proportional to 129,089.60, 193,634.40 and 108,353.60 is: 162,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,089.60 : 193,634.40 = 108,353.60 : x
  2. Step 2: Convert to fraction form
    129,089.60/193,634.40 = 108,353.60/x
  3. Step 3: Cross multiply
    129,089.60x = 193,634.40 × 108,353.60
  4. Step 4: Simplify right side
    129,089.60x = 20,980,984,323.84
  5. Step 5: Solve for x
    x = 20,980,984,323.84/129,089.60
  6. Step 6: Final answer
    x = 162,530.40

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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.