Home / 119,483.12-164,817.96-74,693.36

Finding the Fourth Proportional to 119,483.12, 164,817.96 and 74,693.36

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Solution

The fourth proportional to 119,483.12, 164,817.96 and 74,693.36 is: 103,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,483.12 : 164,817.96 = 74,693.36 : x
  2. Step 2: Convert to fraction form
    119,483.12/164,817.96 = 74,693.36/x
  3. Step 3: Cross multiply
    119,483.12x = 164,817.96 × 74,693.36
  4. Step 4: Simplify right side
    119,483.12x = 12,310,807,220.75
  5. Step 5: Solve for x
    x = 12,310,807,220.75/119,483.12
  6. Step 6: Final answer
    x = 103,033.86

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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.