Home / 156,784.40-234,917.40-133,456.40

Finding the Fourth Proportional to 156,784.40, 234,917.40 and 133,456.40

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Solution

The fourth proportional to 156,784.40, 234,917.40 and 133,456.40 is: 199,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,784.40 : 234,917.40 = 133,456.40 : x
  2. Step 2: Convert to fraction form
    156,784.40/234,917.40 = 133,456.40/x
  3. Step 3: Cross multiply
    156,784.40x = 234,917.40 × 133,456.40
  4. Step 4: Simplify right side
    156,784.40x = 31,351,230,501.36
  5. Step 5: Solve for x
    x = 31,351,230,501.36/156,784.40
  6. Step 6: Final answer
    x = 199,963.97

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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.