Home / 140,476.14-193,802.90-86,667.84

Finding the Fourth Proportional to 140,476.14, 193,802.90 and 86,667.84

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Solution

The fourth proportional to 140,476.14, 193,802.90 and 86,667.84 is: 119,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,476.14 : 193,802.90 = 86,667.84 : x
  2. Step 2: Convert to fraction form
    140,476.14/193,802.90 = 86,667.84/x
  3. Step 3: Cross multiply
    140,476.14x = 193,802.90 × 86,667.84
  4. Step 4: Simplify right side
    140,476.14x = 16,796,478,295.40
  5. Step 5: Solve for x
    x = 16,796,478,295.40/140,476.14
  6. Step 6: Final answer
    x = 119,568.19

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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.