Home / 129,277.40-193,916.10-35,783.15

Finding the Fourth Proportional to 129,277.40, 193,916.10 and 35,783.15

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Solution

The fourth proportional to 129,277.40, 193,916.10 and 35,783.15 is: 53,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,277.40 : 193,916.10 = 35,783.15 : x
  2. Step 2: Convert to fraction form
    129,277.40/193,916.10 = 35,783.15/x
  3. Step 3: Cross multiply
    129,277.40x = 193,916.10 × 35,783.15
  4. Step 4: Simplify right side
    129,277.40x = 6,938,928,893.72
  5. Step 5: Solve for x
    x = 6,938,928,893.72/129,277.40
  6. Step 6: Final answer
    x = 53,674.73

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Similar ratio
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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.