Home / 658,568.81-987,738.39-185,141.63

Finding the Fourth Proportional to 658,568.81, 987,738.39 and 185,141.63

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Solution

The fourth proportional to 658,568.81, 987,738.39 and 185,141.63 is: 277,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,568.81 : 987,738.39 = 185,141.63 : x
  2. Step 2: Convert to fraction form
    658,568.81/987,738.39 = 185,141.63/x
  3. Step 3: Cross multiply
    658,568.81x = 987,738.39 × 185,141.63
  4. Step 4: Simplify right side
    658,568.81x = 182,871,495,538.18
  5. Step 5: Solve for x
    x = 182,871,495,538.18/658,568.81
  6. Step 6: Final answer
    x = 277,680.16

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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.