Home / 212,617.64-293,410.98-117,122.12

Finding the Fourth Proportional to 212,617.64, 293,410.98 and 117,122.12

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Solution

The fourth proportional to 212,617.64, 293,410.98 and 117,122.12 is: 161,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,617.64 : 293,410.98 = 117,122.12 : x
  2. Step 2: Convert to fraction form
    212,617.64/293,410.98 = 117,122.12/x
  3. Step 3: Cross multiply
    212,617.64x = 293,410.98 × 117,122.12
  4. Step 4: Simplify right side
    212,617.64x = 34,364,916,008.88
  5. Step 5: Solve for x
    x = 34,364,916,008.88/212,617.64
  6. Step 6: Final answer
    x = 161,627.77

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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.