Home / 117,933.60-176,900.40-71,277.60

Finding the Fourth Proportional to 117,933.60, 176,900.40 and 71,277.60

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Solution

The fourth proportional to 117,933.60, 176,900.40 and 71,277.60 is: 106,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,933.60 : 176,900.40 = 71,277.60 : x
  2. Step 2: Convert to fraction form
    117,933.60/176,900.40 = 71,277.60/x
  3. Step 3: Cross multiply
    117,933.60x = 176,900.40 × 71,277.60
  4. Step 4: Simplify right side
    117,933.60x = 12,609,035,951.04
  5. Step 5: Solve for x
    x = 12,609,035,951.04/117,933.60
  6. Step 6: Final answer
    x = 106,916.40

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1.5x scale

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.