Home / 147,027.90-220,104.45-97,164.30

Finding the Fourth Proportional to 147,027.90, 220,104.45 and 97,164.30

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Solution

The fourth proportional to 147,027.90, 220,104.45 and 97,164.30 is: 145,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,027.90 : 220,104.45 = 97,164.30 : x
  2. Step 2: Convert to fraction form
    147,027.90/220,104.45 = 97,164.30/x
  3. Step 3: Cross multiply
    147,027.90x = 220,104.45 × 97,164.30
  4. Step 4: Simplify right side
    147,027.90x = 21,386,294,811.14
  5. Step 5: Solve for x
    x = 21,386,294,811.14/147,027.90
  6. Step 6: Final answer
    x = 145,457.39

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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.