Home / 113,457.24-156,564.90-63,153

Finding the Fourth Proportional to 113,457.24, 156,564.90 and 63,153

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Solution

The fourth proportional to 113,457.24, 156,564.90 and 63,153 is: 87,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,457.24 : 156,564.90 = 63,153 : x
  2. Step 2: Convert to fraction form
    113,457.24/156,564.90 = 63,153/x
  3. Step 3: Cross multiply
    113,457.24x = 156,564.90 × 63,153
  4. Step 4: Simplify right side
    113,457.24x = 9,887,543,129.70
  5. Step 5: Solve for x
    x = 9,887,543,129.70/113,457.24
  6. Step 6: Final answer
    x = 87,147.75

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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.