Home / 357,185.10-492,920.55-196,037.22

Finding the Fourth Proportional to 357,185.10, 492,920.55 and 196,037.22

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Solution

The fourth proportional to 357,185.10, 492,920.55 and 196,037.22 is: 270,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,185.10 : 492,920.55 = 196,037.22 : x
  2. Step 2: Convert to fraction form
    357,185.10/492,920.55 = 196,037.22/x
  3. Step 3: Cross multiply
    357,185.10x = 492,920.55 × 196,037.22
  4. Step 4: Simplify right side
    357,185.10x = 96,630,774,302.87
  5. Step 5: Solve for x
    x = 96,630,774,302.87/357,185.10
  6. Step 6: Final answer
    x = 270,534.17

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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.