Home / 357,129.10-492,844.26-195,999.13

Finding the Fourth Proportional to 357,129.10, 492,844.26 and 195,999.13

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Solution

The fourth proportional to 357,129.10, 492,844.26 and 195,999.13 is: 270,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,129.10 : 492,844.26 = 195,999.13 : x
  2. Step 2: Convert to fraction form
    357,129.10/492,844.26 = 195,999.13/x
  3. Step 3: Cross multiply
    357,129.10x = 492,844.26 × 195,999.13
  4. Step 4: Simplify right side
    357,129.10x = 96,597,046,185.49
  5. Step 5: Solve for x
    x = 96,597,046,185.49/357,129.10
  6. Step 6: Final answer
    x = 270,482.15

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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.