Home / 113,433.06-156,536.10-63,132.06

Finding the Fourth Proportional to 113,433.06, 156,536.10 and 63,132.06

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Solution

The fourth proportional to 113,433.06, 156,536.10 and 63,132.06 is: 87,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,433.06 : 156,536.10 = 63,132.06 : x
  2. Step 2: Convert to fraction form
    113,433.06/156,536.10 = 63,132.06/x
  3. Step 3: Cross multiply
    113,433.06x = 156,536.10 × 63,132.06
  4. Step 4: Simplify right side
    113,433.06x = 9,882,446,457.37
  5. Step 5: Solve for x
    x = 9,882,446,457.37/113,433.06
  6. Step 6: Final answer
    x = 87,121.40

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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.