Home / 289,457.08-399,454.92-168,595.24

Finding the Fourth Proportional to 289,457.08, 399,454.92 and 168,595.24

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Solution

The fourth proportional to 289,457.08, 399,454.92 and 168,595.24 is: 232,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,457.08 : 399,454.92 = 168,595.24 : x
  2. Step 2: Convert to fraction form
    289,457.08/399,454.92 = 168,595.24/x
  3. Step 3: Cross multiply
    289,457.08x = 399,454.92 × 168,595.24
  4. Step 4: Simplify right side
    289,457.08x = 67,346,198,106.58
  5. Step 5: Solve for x
    x = 67,346,198,106.58/289,457.08
  6. Step 6: Final answer
    x = 232,663.85

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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.