Home / 212,021.12-292,594.67-116,530.31

Finding the Fourth Proportional to 212,021.12, 292,594.67 and 116,530.31

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Solution

The fourth proportional to 212,021.12, 292,594.67 and 116,530.31 is: 160,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,021.12 : 292,594.67 = 116,530.31 : x
  2. Step 2: Convert to fraction form
    212,021.12/292,594.67 = 116,530.31/x
  3. Step 3: Cross multiply
    212,021.12x = 292,594.67 × 116,530.31
  4. Step 4: Simplify right side
    212,021.12x = 34,096,145,553.82
  5. Step 5: Solve for x
    x = 34,096,145,553.82/212,021.12
  6. Step 6: Final answer
    x = 160,814.86

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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.