Home / 211,086.18-291,295.98-115,592.85

Finding the Fourth Proportional to 211,086.18, 291,295.98 and 115,592.85

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Solution

The fourth proportional to 211,086.18, 291,295.98 and 115,592.85 is: 159,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,086.18 : 291,295.98 = 115,592.85 : x
  2. Step 2: Convert to fraction form
    211,086.18/291,295.98 = 115,592.85/x
  3. Step 3: Cross multiply
    211,086.18x = 291,295.98 × 115,592.85
  4. Step 4: Simplify right side
    211,086.18x = 33,671,732,521.74
  5. Step 5: Solve for x
    x = 33,671,732,521.74/211,086.18
  6. Step 6: Final answer
    x = 159,516.52

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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.