Home / 429,206.58-643,809.96-162,967.32

Finding the Fourth Proportional to 429,206.58, 643,809.96 and 162,967.32

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Solution

The fourth proportional to 429,206.58, 643,809.96 and 162,967.32 is: 244,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,206.58 : 643,809.96 = 162,967.32 : x
  2. Step 2: Convert to fraction form
    429,206.58/643,809.96 = 162,967.32/x
  3. Step 3: Cross multiply
    429,206.58x = 643,809.96 × 162,967.32
  4. Step 4: Simplify right side
    429,206.58x = 104,919,983,770.51
  5. Step 5: Solve for x
    x = 104,919,983,770.51/429,206.58
  6. Step 6: Final answer
    x = 244,451.01

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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.