Home / 134,698.84-185,847.94-76,554.76

Finding the Fourth Proportional to 134,698.84, 185,847.94 and 76,554.76

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Solution

The fourth proportional to 134,698.84, 185,847.94 and 76,554.76 is: 105,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,698.84 : 185,847.94 = 76,554.76 : x
  2. Step 2: Convert to fraction form
    134,698.84/185,847.94 = 76,554.76/x
  3. Step 3: Cross multiply
    134,698.84x = 185,847.94 × 76,554.76
  4. Step 4: Simplify right side
    134,698.84x = 14,227,544,443.19
  5. Step 5: Solve for x
    x = 14,227,544,443.19/134,698.84
  6. Step 6: Final answer
    x = 105,624.85

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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.