Home / 113,157.36-156,157.60-62,174.22

Finding the Fourth Proportional to 113,157.36, 156,157.60 and 62,174.22

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Solution

The fourth proportional to 113,157.36, 156,157.60 and 62,174.22 is: 85,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,157.36 : 156,157.60 = 62,174.22 : x
  2. Step 2: Convert to fraction form
    113,157.36/156,157.60 = 62,174.22/x
  3. Step 3: Cross multiply
    113,157.36x = 156,157.60 × 62,174.22
  4. Step 4: Simplify right side
    113,157.36x = 9,708,976,977.07
  5. Step 5: Solve for x
    x = 9,708,976,977.07/113,157.36
  6. Step 6: Final answer
    x = 85,800.67

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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.