Home / 108,565.26-162,607.29-83,420.22

Finding the Fourth Proportional to 108,565.26, 162,607.29 and 83,420.22

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Solution

The fourth proportional to 108,565.26, 162,607.29 and 83,420.22 is: 124,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,565.26 : 162,607.29 = 83,420.22 : x
  2. Step 2: Convert to fraction form
    108,565.26/162,607.29 = 83,420.22/x
  3. Step 3: Cross multiply
    108,565.26x = 162,607.29 × 83,420.22
  4. Step 4: Simplify right side
    108,565.26x = 13,564,735,905.40
  5. Step 5: Solve for x
    x = 13,564,735,905.40/108,565.26
  6. Step 6: Final answer
    x = 124,945.46

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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.