Home / 163,886.88-245,635.92-70,194.72

Finding the Fourth Proportional to 163,886.88, 245,635.92 and 70,194.72

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Solution

The fourth proportional to 163,886.88, 245,635.92 and 70,194.72 is: 105,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,886.88 : 245,635.92 = 70,194.72 : x
  2. Step 2: Convert to fraction form
    163,886.88/245,635.92 = 70,194.72/x
  3. Step 3: Cross multiply
    163,886.88x = 245,635.92 × 70,194.72
  4. Step 4: Simplify right side
    163,886.88x = 17,242,344,626.34
  5. Step 5: Solve for x
    x = 17,242,344,626.34/163,886.88
  6. Step 6: Final answer
    x = 105,208.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.