Home / 152,811.60-229,217.40-113,445.60

Finding the Fourth Proportional to 152,811.60, 229,217.40 and 113,445.60

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Solution

The fourth proportional to 152,811.60, 229,217.40 and 113,445.60 is: 170,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,811.60 : 229,217.40 = 113,445.60 : x
  2. Step 2: Convert to fraction form
    152,811.60/229,217.40 = 113,445.60/x
  3. Step 3: Cross multiply
    152,811.60x = 229,217.40 × 113,445.60
  4. Step 4: Simplify right side
    152,811.60x = 26,003,705,473.44
  5. Step 5: Solve for x
    x = 26,003,705,473.44/152,811.60
  6. Step 6: Final answer
    x = 170,168.40

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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.