Home / 236,246.10-354,369.15-129,957.90

Finding the Fourth Proportional to 236,246.10, 354,369.15 and 129,957.90

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Solution

The fourth proportional to 236,246.10, 354,369.15 and 129,957.90 is: 194,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,246.10 : 354,369.15 = 129,957.90 : x
  2. Step 2: Convert to fraction form
    236,246.10/354,369.15 = 129,957.90/x
  3. Step 3: Cross multiply
    236,246.10x = 354,369.15 × 129,957.90
  4. Step 4: Simplify right side
    236,246.10x = 46,053,070,558.79
  5. Step 5: Solve for x
    x = 46,053,070,558.79/236,246.10
  6. Step 6: Final answer
    x = 194,936.85

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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.