Home / 187,638.41-258,941.13-101,597.45

Finding the Fourth Proportional to 187,638.41, 258,941.13 and 101,597.45

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Solution

The fourth proportional to 187,638.41, 258,941.13 and 101,597.45 is: 140,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638.41 : 258,941.13 = 101,597.45 : x
  2. Step 2: Convert to fraction form
    187,638.41/258,941.13 = 101,597.45/x
  3. Step 3: Cross multiply
    187,638.41x = 258,941.13 × 101,597.45
  4. Step 4: Simplify right side
    187,638.41x = 26,307,758,508.12
  5. Step 5: Solve for x
    x = 26,307,758,508.12/187,638.41
  6. Step 6: Final answer
    x = 140,204.55

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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.