Home / 211,355.39-291,714.47-194,332.70

Finding the Fourth Proportional to 211,355.39, 291,714.47 and 194,332.70

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Solution

The fourth proportional to 211,355.39, 291,714.47 and 194,332.70 is: 268,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,355.39 : 291,714.47 = 194,332.70 : x
  2. Step 2: Convert to fraction form
    211,355.39/291,714.47 = 194,332.70/x
  3. Step 3: Cross multiply
    211,355.39x = 291,714.47 × 194,332.70
  4. Step 4: Simplify right side
    211,355.39x = 56,689,658,153.93
  5. Step 5: Solve for x
    x = 56,689,658,153.93/211,355.39
  6. Step 6: Final answer
    x = 268,219.61

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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.