Home / 135,433.60-186,898.89-75,002.92

Finding the Fourth Proportional to 135,433.60, 186,898.89 and 75,002.92

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Solution

The fourth proportional to 135,433.60, 186,898.89 and 75,002.92 is: 103,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,433.60 : 186,898.89 = 75,002.92 : x
  2. Step 2: Convert to fraction form
    135,433.60/186,898.89 = 75,002.92/x
  3. Step 3: Cross multiply
    135,433.60x = 186,898.89 × 75,002.92
  4. Step 4: Simplify right side
    135,433.60x = 14,017,962,494.76
  5. Step 5: Solve for x
    x = 14,017,962,494.76/135,433.60
  6. Step 6: Final answer
    x = 103,504.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.