Home / 140,054.56-193,277.90-76,394.64

Finding the Fourth Proportional to 140,054.56, 193,277.90 and 76,394.64

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Solution

The fourth proportional to 140,054.56, 193,277.90 and 76,394.64 is: 105,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,054.56 : 193,277.90 = 76,394.64 : x
  2. Step 2: Convert to fraction form
    140,054.56/193,277.90 = 76,394.64/x
  3. Step 3: Cross multiply
    140,054.56x = 193,277.90 × 76,394.64
  4. Step 4: Simplify right side
    140,054.56x = 14,765,395,590.46
  5. Step 5: Solve for x
    x = 14,765,395,590.46/140,054.56
  6. Step 6: Final answer
    x = 105,426.03

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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.