Home / 212,720.66-293,560.65-117,233.50

Finding the Fourth Proportional to 212,720.66, 293,560.65 and 117,233.50

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Solution

The fourth proportional to 212,720.66, 293,560.65 and 117,233.50 is: 161,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,720.66 : 293,560.65 = 117,233.50 : x
  2. Step 2: Convert to fraction form
    212,720.66/293,560.65 = 117,233.50/x
  3. Step 3: Cross multiply
    212,720.66x = 293,560.65 × 117,233.50
  4. Step 4: Simplify right side
    212,720.66x = 34,415,141,727.87
  5. Step 5: Solve for x
    x = 34,415,141,727.87/212,720.66
  6. Step 6: Final answer
    x = 161,785.61

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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.