Home / 134,817.31-186,014.70-82,416.11

Finding the Fourth Proportional to 134,817.31, 186,014.70 and 82,416.11

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Solution

The fourth proportional to 134,817.31, 186,014.70 and 82,416.11 is: 113,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,817.31 : 186,014.70 = 82,416.11 : x
  2. Step 2: Convert to fraction form
    134,817.31/186,014.70 = 82,416.11/x
  3. Step 3: Cross multiply
    134,817.31x = 186,014.70 × 82,416.11
  4. Step 4: Simplify right side
    134,817.31x = 15,330,607,801.71
  5. Step 5: Solve for x
    x = 15,330,607,801.71/134,817.31
  6. Step 6: Final answer
    x = 113,713.94

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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.