Home / 135,580.64-187,107.54-75,152.57

Finding the Fourth Proportional to 135,580.64, 187,107.54 and 75,152.57

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Solution

The fourth proportional to 135,580.64, 187,107.54 and 75,152.57 is: 103,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,580.64 : 187,107.54 = 75,152.57 : x
  2. Step 2: Convert to fraction form
    135,580.64/187,107.54 = 75,152.57/x
  3. Step 3: Cross multiply
    135,580.64x = 187,107.54 × 75,152.57
  4. Step 4: Simplify right side
    135,580.64x = 14,061,612,497.38
  5. Step 5: Solve for x
    x = 14,061,612,497.38/135,580.64
  6. Step 6: Final answer
    x = 103,714.01

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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.