Home / 201,685.34-302,387.99-89,304.32

Finding the Fourth Proportional to 201,685.34, 302,387.99 and 89,304.32

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Solution

The fourth proportional to 201,685.34, 302,387.99 and 89,304.32 is: 133,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,685.34 : 302,387.99 = 89,304.32 : x
  2. Step 2: Convert to fraction form
    201,685.34/302,387.99 = 89,304.32/x
  3. Step 3: Cross multiply
    201,685.34x = 302,387.99 × 89,304.32
  4. Step 4: Simplify right side
    201,685.34x = 27,004,554,132.57
  5. Step 5: Solve for x
    x = 27,004,554,132.57/201,685.34
  6. Step 6: Final answer
    x = 133,894.48

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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.