Home / 144,182.48-198,957.60-80,518.91

Finding the Fourth Proportional to 144,182.48, 198,957.60 and 80,518.91

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Solution

The fourth proportional to 144,182.48, 198,957.60 and 80,518.91 is: 111,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,182.48 : 198,957.60 = 80,518.91 : x
  2. Step 2: Convert to fraction form
    144,182.48/198,957.60 = 80,518.91/x
  3. Step 3: Cross multiply
    144,182.48x = 198,957.60 × 80,518.91
  4. Step 4: Simplify right side
    144,182.48x = 16,019,848,093.43
  5. Step 5: Solve for x
    x = 16,019,848,093.43/144,182.48
  6. Step 6: Final answer
    x = 111,108.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.