Home / 135,702.41-187,246.89-75,263.45

Finding the Fourth Proportional to 135,702.41, 187,246.89 and 75,263.45

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Solution

The fourth proportional to 135,702.41, 187,246.89 and 75,263.45 is: 103,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,702.41 : 187,246.89 = 75,263.45 : x
  2. Step 2: Convert to fraction form
    135,702.41/187,246.89 = 75,263.45/x
  3. Step 3: Cross multiply
    135,702.41x = 187,246.89 × 75,263.45
  4. Step 4: Simplify right side
    135,702.41x = 14,092,846,006.94
  5. Step 5: Solve for x
    x = 14,092,846,006.94/135,702.41
  6. Step 6: Final answer
    x = 103,851.11

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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.