Home / 165,385.53-228,226.59-92,784.02

Finding the Fourth Proportional to 165,385.53, 228,226.59 and 92,784.02

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Solution

The fourth proportional to 165,385.53, 228,226.59 and 92,784.02 is: 128,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,385.53 : 228,226.59 = 92,784.02 : x
  2. Step 2: Convert to fraction form
    165,385.53/228,226.59 = 92,784.02/x
  3. Step 3: Cross multiply
    165,385.53x = 228,226.59 × 92,784.02
  4. Step 4: Simplify right side
    165,385.53x = 21,175,779,349.96
  5. Step 5: Solve for x
    x = 21,175,779,349.96/165,385.53
  6. Step 6: Final answer
    x = 128,038.89

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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.