Home / 134,563.50-185,706.14-74,134.26

Finding the Fourth Proportional to 134,563.50, 185,706.14 and 74,134.26

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Solution

The fourth proportional to 134,563.50, 185,706.14 and 74,134.26 is: 102,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,563.50 : 185,706.14 = 74,134.26 : x
  2. Step 2: Convert to fraction form
    134,563.50/185,706.14 = 74,134.26/x
  3. Step 3: Cross multiply
    134,563.50x = 185,706.14 × 74,134.26
  4. Step 4: Simplify right side
    134,563.50x = 13,767,186,895.69
  5. Step 5: Solve for x
    x = 13,767,186,895.69/134,563.50
  6. Step 6: Final answer
    x = 102,309.96

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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.