Home / 135,826.74-187,463.34-75,416.76

Finding the Fourth Proportional to 135,826.74, 187,463.34 and 75,416.76

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Solution

The fourth proportional to 135,826.74, 187,463.34 and 75,416.76 is: 104,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,826.74 : 187,463.34 = 75,416.76 : x
  2. Step 2: Convert to fraction form
    135,826.74/187,463.34 = 75,416.76/x
  3. Step 3: Cross multiply
    135,826.74x = 187,463.34 × 75,416.76
  4. Step 4: Simplify right side
    135,826.74x = 14,137,877,721.58
  5. Step 5: Solve for x
    x = 14,137,877,721.58/135,826.74
  6. Step 6: Final answer
    x = 104,087.59

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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.