Home / 163,503.48-225,426.60-109,703.28

Finding the Fourth Proportional to 163,503.48, 225,426.60 and 109,703.28

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Solution

The fourth proportional to 163,503.48, 225,426.60 and 109,703.28 is: 151,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,503.48 : 225,426.60 = 109,703.28 : x
  2. Step 2: Convert to fraction form
    163,503.48/225,426.60 = 109,703.28/x
  3. Step 3: Cross multiply
    163,503.48x = 225,426.60 × 109,703.28
  4. Step 4: Simplify right side
    163,503.48x = 24,730,037,419.25
  5. Step 5: Solve for x
    x = 24,730,037,419.25/163,503.48
  6. Step 6: Final answer
    x = 151,250.83

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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.