Home / 119,810.13-165,337.51-66,098.49

Finding the Fourth Proportional to 119,810.13, 165,337.51 and 66,098.49

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Solution

The fourth proportional to 119,810.13, 165,337.51 and 66,098.49 is: 91,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,810.13 : 165,337.51 = 66,098.49 : x
  2. Step 2: Convert to fraction form
    119,810.13/165,337.51 = 66,098.49/x
  3. Step 3: Cross multiply
    119,810.13x = 165,337.51 × 66,098.49
  4. Step 4: Simplify right side
    119,810.13x = 10,928,559,751.36
  5. Step 5: Solve for x
    x = 10,928,559,751.36/119,810.13
  6. Step 6: Final answer
    x = 91,215.66

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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.