Home / 119,143.26-164,412.77-64,693.30

Finding the Fourth Proportional to 119,143.26, 164,412.77 and 64,693.30

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Solution

The fourth proportional to 119,143.26, 164,412.77 and 64,693.30 is: 89,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,143.26 : 164,412.77 = 64,693.30 : x
  2. Step 2: Convert to fraction form
    119,143.26/164,412.77 = 64,693.30/x
  3. Step 3: Cross multiply
    119,143.26x = 164,412.77 × 64,693.30
  4. Step 4: Simplify right side
    119,143.26x = 10,636,404,653.44
  5. Step 5: Solve for x
    x = 10,636,404,653.44/119,143.26
  6. Step 6: Final answer
    x = 89,274.08

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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.