Home / 175,346.80-262,847.40-86,527.60

Finding the Fourth Proportional to 175,346.80, 262,847.40 and 86,527.60

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Solution

The fourth proportional to 175,346.80, 262,847.40 and 86,527.60 is: 129,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,346.80 : 262,847.40 = 86,527.60 : x
  2. Step 2: Convert to fraction form
    175,346.80/262,847.40 = 86,527.60/x
  3. Step 3: Cross multiply
    175,346.80x = 262,847.40 × 86,527.60
  4. Step 4: Simplify right side
    175,346.80x = 22,743,554,688.24
  5. Step 5: Solve for x
    x = 22,743,554,688.24/175,346.80
  6. Step 6: Final answer
    x = 129,706.13

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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.