Home / 135,594.23-187,108.27-77,450.69

Finding the Fourth Proportional to 135,594.23, 187,108.27 and 77,450.69

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Solution

The fourth proportional to 135,594.23, 187,108.27 and 77,450.69 is: 106,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,594.23 : 187,108.27 = 77,450.69 : x
  2. Step 2: Convert to fraction form
    135,594.23/187,108.27 = 77,450.69/x
  3. Step 3: Cross multiply
    135,594.23x = 187,108.27 × 77,450.69
  4. Step 4: Simplify right side
    135,594.23x = 14,491,664,890.35
  5. Step 5: Solve for x
    x = 14,491,664,890.35/135,594.23
  6. Step 6: Final answer
    x = 106,875.24

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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.