Home / 163,623.64-225,711.06-105,498.52

Finding the Fourth Proportional to 163,623.64, 225,711.06 and 105,498.52

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Solution

The fourth proportional to 163,623.64, 225,711.06 and 105,498.52 is: 145,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,623.64 : 225,711.06 = 105,498.52 : x
  2. Step 2: Convert to fraction form
    163,623.64/225,711.06 = 105,498.52/x
  3. Step 3: Cross multiply
    163,623.64x = 225,711.06 × 105,498.52
  4. Step 4: Simplify right side
    163,623.64x = 23,812,182,777.63
  5. Step 5: Solve for x
    x = 23,812,182,777.63/163,623.64
  6. Step 6: Final answer
    x = 145,530.21

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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.