Home / 144,840.12-217,276.58-129,957.58

Finding the Fourth Proportional to 144,840.12, 217,276.58 and 129,957.58

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Solution

The fourth proportional to 144,840.12, 217,276.58 and 129,957.58 is: 194,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,840.12 : 217,276.58 = 129,957.58 : x
  2. Step 2: Convert to fraction form
    144,840.12/217,276.58 = 129,957.58/x
  3. Step 3: Cross multiply
    144,840.12x = 217,276.58 × 129,957.58
  4. Step 4: Simplify right side
    144,840.12x = 28,236,738,527.48
  5. Step 5: Solve for x
    x = 28,236,738,527.48/144,840.12
  6. Step 6: Final answer
    x = 194,951.08

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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.