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Finding the Fourth Proportional to 230,179.61, 317,663.82 and 139,539.39

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Solution

The fourth proportional to 230,179.61, 317,663.82 and 139,539.39 is: 192,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,179.61 : 317,663.82 = 139,539.39 : x
  2. Step 2: Convert to fraction form
    230,179.61/317,663.82 = 139,539.39/x
  3. Step 3: Cross multiply
    230,179.61x = 317,663.82 × 139,539.39
  4. Step 4: Simplify right side
    230,179.61x = 44,326,615,667.87
  5. Step 5: Solve for x
    x = 44,326,615,667.87/230,179.61
  6. Step 6: Final answer
    x = 192,574.04

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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.