Home / 119,555.14-165,065.48-74,300.64

Finding the Fourth Proportional to 119,555.14, 165,065.48 and 74,300.64

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Solution

The fourth proportional to 119,555.14, 165,065.48 and 74,300.64 is: 102,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555.14 : 165,065.48 = 74,300.64 : x
  2. Step 2: Convert to fraction form
    119,555.14/165,065.48 = 74,300.64/x
  3. Step 3: Cross multiply
    119,555.14x = 165,065.48 × 74,300.64
  4. Step 4: Simplify right side
    119,555.14x = 12,264,470,805.91
  5. Step 5: Solve for x
    x = 12,264,470,805.91/119,555.14
  6. Step 6: Final answer
    x = 102,584.22

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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.