Home / 119,669.48-165,145.02-65,956.40

Finding the Fourth Proportional to 119,669.48, 165,145.02 and 65,956.40

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Solution

The fourth proportional to 119,669.48, 165,145.02 and 65,956.40 is: 91,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,669.48 : 165,145.02 = 65,956.40 : x
  2. Step 2: Convert to fraction form
    119,669.48/165,145.02 = 65,956.40/x
  3. Step 3: Cross multiply
    119,669.48x = 165,145.02 × 65,956.40
  4. Step 4: Simplify right side
    119,669.48x = 10,892,370,997.13
  5. Step 5: Solve for x
    x = 10,892,370,997.13/119,669.48
  6. Step 6: Final answer
    x = 91,020.46

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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.