Home / 163,215.60-225,238.84-91,612.51

Finding the Fourth Proportional to 163,215.60, 225,238.84 and 91,612.51

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Solution

The fourth proportional to 163,215.60, 225,238.84 and 91,612.51 is: 126,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,215.60 : 225,238.84 = 91,612.51 : x
  2. Step 2: Convert to fraction form
    163,215.60/225,238.84 = 91,612.51/x
  3. Step 3: Cross multiply
    163,215.60x = 225,238.84 × 91,612.51
  4. Step 4: Simplify right side
    163,215.60x = 20,634,694,355.69
  5. Step 5: Solve for x
    x = 20,634,694,355.69/163,215.60
  6. Step 6: Final answer
    x = 126,426.00

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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.