Home / 183,742.72-253,592.68-112,164.40

Finding the Fourth Proportional to 183,742.72, 253,592.68 and 112,164.40

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Solution

The fourth proportional to 183,742.72, 253,592.68 and 112,164.40 is: 154,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,742.72 : 253,592.68 = 112,164.40 : x
  2. Step 2: Convert to fraction form
    183,742.72/253,592.68 = 112,164.40/x
  3. Step 3: Cross multiply
    183,742.72x = 253,592.68 × 112,164.40
  4. Step 4: Simplify right side
    183,742.72x = 28,444,070,796.59
  5. Step 5: Solve for x
    x = 28,444,070,796.59/183,742.72
  6. Step 6: Final answer
    x = 154,803.80

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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.