Home / 136,015.88-187,702.95-75,592.19

Finding the Fourth Proportional to 136,015.88, 187,702.95 and 75,592.19

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Solution

The fourth proportional to 136,015.88, 187,702.95 and 75,592.19 is: 104,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,015.88 : 187,702.95 = 75,592.19 : x
  2. Step 2: Convert to fraction form
    136,015.88/187,702.95 = 75,592.19/x
  3. Step 3: Cross multiply
    136,015.88x = 187,702.95 × 75,592.19
  4. Step 4: Simplify right side
    136,015.88x = 14,188,877,059.96
  5. Step 5: Solve for x
    x = 14,188,877,059.96/136,015.88
  6. Step 6: Final answer
    x = 104,317.80

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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.