Home / 140,010.56-193,212.06-76,347.02

Finding the Fourth Proportional to 140,010.56, 193,212.06 and 76,347.02

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Solution

The fourth proportional to 140,010.56, 193,212.06 and 76,347.02 is: 105,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010.56 : 193,212.06 = 76,347.02 : x
  2. Step 2: Convert to fraction form
    140,010.56/193,212.06 = 76,347.02/x
  3. Step 3: Cross multiply
    140,010.56x = 193,212.06 × 76,347.02
  4. Step 4: Simplify right side
    140,010.56x = 14,751,165,009.06
  5. Step 5: Solve for x
    x = 14,751,165,009.06/140,010.56
  6. Step 6: Final answer
    x = 105,357.52

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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.