Home / 163,818.10-225,982.28-112,742.16

Finding the Fourth Proportional to 163,818.10, 225,982.28 and 112,742.16

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Solution

The fourth proportional to 163,818.10, 225,982.28 and 112,742.16 is: 155,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,818.10 : 225,982.28 = 112,742.16 : x
  2. Step 2: Convert to fraction form
    163,818.10/225,982.28 = 112,742.16/x
  3. Step 3: Cross multiply
    163,818.10x = 225,982.28 × 112,742.16
  4. Step 4: Simplify right side
    163,818.10x = 25,477,730,368.92
  5. Step 5: Solve for x
    x = 25,477,730,368.92/163,818.10
  6. Step 6: Final answer
    x = 155,524.51

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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.