Home / 134,025.60-200,746.80-107,781.60

Finding the Fourth Proportional to 134,025.60, 200,746.80 and 107,781.60

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Solution

The fourth proportional to 134,025.60, 200,746.80 and 107,781.60 is: 161,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,025.60 : 200,746.80 = 107,781.60 : x
  2. Step 2: Convert to fraction form
    134,025.60/200,746.80 = 107,781.60/x
  3. Step 3: Cross multiply
    134,025.60x = 200,746.80 × 107,781.60
  4. Step 4: Simplify right side
    134,025.60x = 21,636,811,298.88
  5. Step 5: Solve for x
    x = 21,636,811,298.88/134,025.60
  6. Step 6: Final answer
    x = 161,437.90

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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.