Home / 212,282.18-292,938.82-116,786.42

Finding the Fourth Proportional to 212,282.18, 292,938.82 and 116,786.42

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Solution

The fourth proportional to 212,282.18, 292,938.82 and 116,786.42 is: 161,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,282.18 : 292,938.82 = 116,786.42 : x
  2. Step 2: Convert to fraction form
    212,282.18/292,938.82 = 116,786.42/x
  3. Step 3: Cross multiply
    212,282.18x = 292,938.82 × 116,786.42
  4. Step 4: Simplify right side
    212,282.18x = 34,211,276,066.82
  5. Step 5: Solve for x
    x = 34,211,276,066.82/212,282.18
  6. Step 6: Final answer
    x = 161,159.43

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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.