Home / 119,170.82-178,590.15-89,554.06

Finding the Fourth Proportional to 119,170.82, 178,590.15 and 89,554.06

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Solution

The fourth proportional to 119,170.82, 178,590.15 and 89,554.06 is: 134,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,170.82 : 178,590.15 = 89,554.06 : x
  2. Step 2: Convert to fraction form
    119,170.82/178,590.15 = 89,554.06/x
  3. Step 3: Cross multiply
    119,170.82x = 178,590.15 × 89,554.06
  4. Step 4: Simplify right side
    119,170.82x = 15,993,473,008.51
  5. Step 5: Solve for x
    x = 15,993,473,008.51/119,170.82
  6. Step 6: Final answer
    x = 134,206.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.