Home / 286,518.45-429,187.04-167,829.96

Finding the Fourth Proportional to 286,518.45, 429,187.04 and 167,829.96

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Solution

The fourth proportional to 286,518.45, 429,187.04 and 167,829.96 is: 251,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,518.45 : 429,187.04 = 167,829.96 : x
  2. Step 2: Convert to fraction form
    286,518.45/429,187.04 = 167,829.96/x
  3. Step 3: Cross multiply
    286,518.45x = 429,187.04 × 167,829.96
  4. Step 4: Simplify right side
    286,518.45x = 72,030,442,916.57
  5. Step 5: Solve for x
    x = 72,030,442,916.57/286,518.45
  6. Step 6: Final answer
    x = 251,398.97

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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.