Home / 113,626.48-157,087.96-85,282.96

Finding the Fourth Proportional to 113,626.48, 157,087.96 and 85,282.96

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Solution

The fourth proportional to 113,626.48, 157,087.96 and 85,282.96 is: 117,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,626.48 : 157,087.96 = 85,282.96 : x
  2. Step 2: Convert to fraction form
    113,626.48/157,087.96 = 85,282.96/x
  3. Step 3: Cross multiply
    113,626.48x = 157,087.96 × 85,282.96
  4. Step 4: Simplify right side
    113,626.48x = 13,396,926,209.16
  5. Step 5: Solve for x
    x = 13,396,926,209.16/113,626.48
  6. Step 6: Final answer
    x = 117,903.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.