Home / 127,855.46-191,804.76-39,088.17

Finding the Fourth Proportional to 127,855.46, 191,804.76 and 39,088.17

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Solution

The fourth proportional to 127,855.46, 191,804.76 and 39,088.17 is: 58,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,855.46 : 191,804.76 = 39,088.17 : x
  2. Step 2: Convert to fraction form
    127,855.46/191,804.76 = 39,088.17/x
  3. Step 3: Cross multiply
    127,855.46x = 191,804.76 × 39,088.17
  4. Step 4: Simplify right side
    127,855.46x = 7,497,297,065.69
  5. Step 5: Solve for x
    x = 7,497,297,065.69/127,855.46
  6. Step 6: Final answer
    x = 58,638.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.