Home / 175,025.60-262,538.40-115,539.20

Finding the Fourth Proportional to 175,025.60, 262,538.40 and 115,539.20

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Solution

The fourth proportional to 175,025.60, 262,538.40 and 115,539.20 is: 173,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,025.60 : 262,538.40 = 115,539.20 : x
  2. Step 2: Convert to fraction form
    175,025.60/262,538.40 = 115,539.20/x
  3. Step 3: Cross multiply
    175,025.60x = 262,538.40 × 115,539.20
  4. Step 4: Simplify right side
    175,025.60x = 30,333,476,705.28
  5. Step 5: Solve for x
    x = 30,333,476,705.28/175,025.60
  6. Step 6: Final answer
    x = 173,308.80

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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.