Home / 429,102.96-643,863.52-176,459.38

Finding the Fourth Proportional to 429,102.96, 643,863.52 and 176,459.38

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Solution

The fourth proportional to 429,102.96, 643,863.52 and 176,459.38 is: 264,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,102.96 : 643,863.52 = 176,459.38 : x
  2. Step 2: Convert to fraction form
    429,102.96/643,863.52 = 176,459.38/x
  3. Step 3: Cross multiply
    429,102.96x = 643,863.52 × 176,459.38
  4. Step 4: Simplify right side
    429,102.96x = 113,615,757,543.82
  5. Step 5: Solve for x
    x = 113,615,757,543.82/429,102.96
  6. Step 6: Final answer
    x = 264,775.05

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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.