Home / 289,456.08-399,453.54-168,594.24

Finding the Fourth Proportional to 289,456.08, 399,453.54 and 168,594.24

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Solution

The fourth proportional to 289,456.08, 399,453.54 and 168,594.24 is: 232,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,456.08 : 399,453.54 = 168,594.24 : x
  2. Step 2: Convert to fraction form
    289,456.08/399,453.54 = 168,594.24/x
  3. Step 3: Cross multiply
    289,456.08x = 399,453.54 × 168,594.24
  4. Step 4: Simplify right side
    289,456.08x = 67,345,565,991.61
  5. Step 5: Solve for x
    x = 67,345,565,991.61/289,456.08
  6. Step 6: Final answer
    x = 232,662.47

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1.5x scale

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.