Home / 187,706.49-258,827.39-119,615.60

Finding the Fourth Proportional to 187,706.49, 258,827.39 and 119,615.60

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Solution

The fourth proportional to 187,706.49, 258,827.39 and 119,615.60 is: 164,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,706.49 : 258,827.39 = 119,615.60 : x
  2. Step 2: Convert to fraction form
    187,706.49/258,827.39 = 119,615.60/x
  3. Step 3: Cross multiply
    187,706.49x = 258,827.39 × 119,615.60
  4. Step 4: Simplify right side
    187,706.49x = 30,959,793,600.27
  5. Step 5: Solve for x
    x = 30,959,793,600.27/187,706.49
  6. Step 6: Final answer
    x = 164,937.26

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1.5x scale

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.