Home / 163,669.56-225,895-102,444.14

Finding the Fourth Proportional to 163,669.56, 225,895 and 102,444.14

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Solution

The fourth proportional to 163,669.56, 225,895 and 102,444.14 is: 141,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,669.56 : 225,895 = 102,444.14 : x
  2. Step 2: Convert to fraction form
    163,669.56/225,895 = 102,444.14/x
  3. Step 3: Cross multiply
    163,669.56x = 225,895 × 102,444.14
  4. Step 4: Simplify right side
    163,669.56x = 23,141,619,005.30
  5. Step 5: Solve for x
    x = 23,141,619,005.30/163,669.56
  6. Step 6: Final answer
    x = 141,392.32

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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.