Home / 124,178.85-186,155.96-45,274.62

Finding the Fourth Proportional to 124,178.85, 186,155.96 and 45,274.62

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Solution

The fourth proportional to 124,178.85, 186,155.96 and 45,274.62 is: 67,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,178.85 : 186,155.96 = 45,274.62 : x
  2. Step 2: Convert to fraction form
    124,178.85/186,155.96 = 45,274.62/x
  3. Step 3: Cross multiply
    124,178.85x = 186,155.96 × 45,274.62
  4. Step 4: Simplify right side
    124,178.85x = 8,428,140,349.74
  5. Step 5: Solve for x
    x = 8,428,140,349.74/124,178.85
  6. Step 6: Final answer
    x = 67,870.98

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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.