Home / 113,891.40-170,837.10-75,837.60

Finding the Fourth Proportional to 113,891.40, 170,837.10 and 75,837.60

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Solution

The fourth proportional to 113,891.40, 170,837.10 and 75,837.60 is: 113,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,891.40 : 170,837.10 = 75,837.60 : x
  2. Step 2: Convert to fraction form
    113,891.40/170,837.10 = 75,837.60/x
  3. Step 3: Cross multiply
    113,891.40x = 170,837.10 × 75,837.60
  4. Step 4: Simplify right side
    113,891.40x = 12,955,875,654.96
  5. Step 5: Solve for x
    x = 12,955,875,654.96/113,891.40
  6. Step 6: Final answer
    x = 113,756.40

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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.