Home / 113,421.85-170,157.38-34,534.01

Finding the Fourth Proportional to 113,421.85, 170,157.38 and 34,534.01

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Solution

The fourth proportional to 113,421.85, 170,157.38 and 34,534.01 is: 51,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421.85 : 170,157.38 = 34,534.01 : x
  2. Step 2: Convert to fraction form
    113,421.85/170,157.38 = 34,534.01/x
  3. Step 3: Cross multiply
    113,421.85x = 170,157.38 × 34,534.01
  4. Step 4: Simplify right side
    113,421.85x = 5,876,216,915.22
  5. Step 5: Solve for x
    x = 5,876,216,915.22/113,421.85
  6. Step 6: Final answer
    x = 51,808.51

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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.