Home / 187,688.56-259,010.28-102,807.04

Finding the Fourth Proportional to 187,688.56, 259,010.28 and 102,807.04

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Solution

The fourth proportional to 187,688.56, 259,010.28 and 102,807.04 is: 141,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,688.56 : 259,010.28 = 102,807.04 : x
  2. Step 2: Convert to fraction form
    187,688.56/259,010.28 = 102,807.04/x
  3. Step 3: Cross multiply
    187,688.56x = 259,010.28 × 102,807.04
  4. Step 4: Simplify right side
    187,688.56x = 26,628,080,216.37
  5. Step 5: Solve for x
    x = 26,628,080,216.37/187,688.56
  6. Step 6: Final answer
    x = 141,873.75

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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.