Home / 212,983.45-293,918.16-117,490.14

Finding the Fourth Proportional to 212,983.45, 293,918.16 and 117,490.14

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Solution

The fourth proportional to 212,983.45, 293,918.16 and 117,490.14 is: 162,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,983.45 : 293,918.16 = 117,490.14 : x
  2. Step 2: Convert to fraction form
    212,983.45/293,918.16 = 117,490.14/x
  3. Step 3: Cross multiply
    212,983.45x = 293,918.16 × 117,490.14
  4. Step 4: Simplify right side
    212,983.45x = 34,532,486,207.53
  5. Step 5: Solve for x
    x = 34,532,486,207.53/212,983.45
  6. Step 6: Final answer
    x = 162,136.95

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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.