Home / 124,525.20-186,836.40-45,647.40

Finding the Fourth Proportional to 124,525.20, 186,836.40 and 45,647.40

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Solution

The fourth proportional to 124,525.20, 186,836.40 and 45,647.40 is: 68,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525.20 : 186,836.40 = 45,647.40 : x
  2. Step 2: Convert to fraction form
    124,525.20/186,836.40 = 45,647.40/x
  3. Step 3: Cross multiply
    124,525.20x = 186,836.40 × 45,647.40
  4. Step 4: Simplify right side
    124,525.20x = 8,528,595,885.36
  5. Step 5: Solve for x
    x = 8,528,595,885.36/124,525.20
  6. Step 6: Final answer
    x = 68,488.92

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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.