Home / 135,097.84-186,444.66-74,667.18

Finding the Fourth Proportional to 135,097.84, 186,444.66 and 74,667.18

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Solution

The fourth proportional to 135,097.84, 186,444.66 and 74,667.18 is: 103,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,097.84 : 186,444.66 = 74,667.18 : x
  2. Step 2: Convert to fraction form
    135,097.84/186,444.66 = 74,667.18/x
  3. Step 3: Cross multiply
    135,097.84x = 186,444.66 × 74,667.18
  4. Step 4: Simplify right side
    135,097.84x = 13,921,296,988.26
  5. Step 5: Solve for x
    x = 13,921,296,988.26/135,097.84
  6. Step 6: Final answer
    x = 103,046.04

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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.