Home / 124,560.40-186,727.20-45,655.60

Finding the Fourth Proportional to 124,560.40, 186,727.20 and 45,655.60

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Solution

The fourth proportional to 124,560.40, 186,727.20 and 45,655.60 is: 68,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,560.40 : 186,727.20 = 45,655.60 : x
  2. Step 2: Convert to fraction form
    124,560.40/186,727.20 = 45,655.60/x
  3. Step 3: Cross multiply
    124,560.40x = 186,727.20 × 45,655.60
  4. Step 4: Simplify right side
    124,560.40x = 8,525,142,352.32
  5. Step 5: Solve for x
    x = 8,525,142,352.32/124,560.40
  6. Step 6: Final answer
    x = 68,441.84

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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.