Home / 357,923.07-493,934.15-196,780.86

Finding the Fourth Proportional to 357,923.07, 493,934.15 and 196,780.86

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Solution

The fourth proportional to 357,923.07, 493,934.15 and 196,780.86 is: 271,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,923.07 : 493,934.15 = 196,780.86 : x
  2. Step 2: Convert to fraction form
    357,923.07/493,934.15 = 196,780.86/x
  3. Step 3: Cross multiply
    357,923.07x = 493,934.15 × 196,780.86
  4. Step 4: Simplify right side
    357,923.07x = 97,196,787,312.32
  5. Step 5: Solve for x
    x = 97,196,787,312.32/357,923.07
  6. Step 6: Final answer
    x = 271,557.76

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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.