Home / 129,822.40-194,733.60-46,705.60

Finding the Fourth Proportional to 129,822.40, 194,733.60 and 46,705.60

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Solution

The fourth proportional to 129,822.40, 194,733.60 and 46,705.60 is: 70,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,822.40 : 194,733.60 = 46,705.60 : x
  2. Step 2: Convert to fraction form
    129,822.40/194,733.60 = 46,705.60/x
  3. Step 3: Cross multiply
    129,822.40x = 194,733.60 × 46,705.60
  4. Step 4: Simplify right side
    129,822.40x = 9,095,149,628.16
  5. Step 5: Solve for x
    x = 9,095,149,628.16/129,822.40
  6. Step 6: Final answer
    x = 70,058.40

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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.