Home / 152,189.51-209,997.02-95,560.79

Finding the Fourth Proportional to 152,189.51, 209,997.02 and 95,560.79

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Solution

The fourth proportional to 152,189.51, 209,997.02 and 95,560.79 is: 131,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,189.51 : 209,997.02 = 95,560.79 : x
  2. Step 2: Convert to fraction form
    152,189.51/209,997.02 = 95,560.79/x
  3. Step 3: Cross multiply
    152,189.51x = 209,997.02 × 95,560.79
  4. Step 4: Simplify right side
    152,189.51x = 20,067,480,317.76
  5. Step 5: Solve for x
    x = 20,067,480,317.76/152,189.51
  6. Step 6: Final answer
    x = 131,858.50

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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.