Home / 356,856.10-492,436.90-195,707.62

Finding the Fourth Proportional to 356,856.10, 492,436.90 and 195,707.62

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Solution

The fourth proportional to 356,856.10, 492,436.90 and 195,707.62 is: 270,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,856.10 : 492,436.90 = 195,707.62 : x
  2. Step 2: Convert to fraction form
    356,856.10/492,436.90 = 195,707.62/x
  3. Step 3: Cross multiply
    356,856.10x = 492,436.90 × 195,707.62
  4. Step 4: Simplify right side
    356,856.10x = 96,373,653,699.18
  5. Step 5: Solve for x
    x = 96,373,653,699.18/356,856.10
  6. Step 6: Final answer
    x = 270,063.07

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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.