Home / 124,169.08-186,281.38-45,283.30

Finding the Fourth Proportional to 124,169.08, 186,281.38 and 45,283.30

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Solution

The fourth proportional to 124,169.08, 186,281.38 and 45,283.30 is: 67,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169.08 : 186,281.38 = 45,283.30 : x
  2. Step 2: Convert to fraction form
    124,169.08/186,281.38 = 45,283.30/x
  3. Step 3: Cross multiply
    124,169.08x = 186,281.38 × 45,283.30
  4. Step 4: Simplify right side
    124,169.08x = 8,435,435,614.95
  5. Step 5: Solve for x
    x = 8,435,435,614.95/124,169.08
  6. Step 6: Final answer
    x = 67,935.07

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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.