Home / 163,781.81-245,422.56-110,276.16

Finding the Fourth Proportional to 163,781.81, 245,422.56 and 110,276.16

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Solution

The fourth proportional to 163,781.81, 245,422.56 and 110,276.16 is: 165,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,781.81 : 245,422.56 = 110,276.16 : x
  2. Step 2: Convert to fraction form
    163,781.81/245,422.56 = 110,276.16/x
  3. Step 3: Cross multiply
    163,781.81x = 245,422.56 × 110,276.16
  4. Step 4: Simplify right side
    163,781.81x = 27,064,257,494.17
  5. Step 5: Solve for x
    x = 27,064,257,494.17/163,781.81
  6. Step 6: Final answer
    x = 165,245.81

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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.