Home / 119,459.01-164,784.87-74,669.25

Finding the Fourth Proportional to 119,459.01, 164,784.87 and 74,669.25

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Solution

The fourth proportional to 119,459.01, 164,784.87 and 74,669.25 is: 103,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,459.01 : 164,784.87 = 74,669.25 : x
  2. Step 2: Convert to fraction form
    119,459.01/164,784.87 = 74,669.25/x
  3. Step 3: Cross multiply
    119,459.01x = 164,784.87 × 74,669.25
  4. Step 4: Simplify right side
    119,459.01x = 12,304,362,654.25
  5. Step 5: Solve for x
    x = 12,304,362,654.25/119,459.01
  6. Step 6: Final answer
    x = 103,000.71

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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.