Home / 192,403.58-287,196.38-169,678.35

Finding the Fourth Proportional to 192,403.58, 287,196.38 and 169,678.35

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Solution

The fourth proportional to 192,403.58, 287,196.38 and 169,678.35 is: 253,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,403.58 : 287,196.38 = 169,678.35 : x
  2. Step 2: Convert to fraction form
    192,403.58/287,196.38 = 169,678.35/x
  3. Step 3: Cross multiply
    192,403.58x = 287,196.38 × 169,678.35
  4. Step 4: Simplify right side
    192,403.58x = 48,731,007,035.98
  5. Step 5: Solve for x
    x = 48,731,007,035.98/192,403.58
  6. Step 6: Final answer
    x = 253,274.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.