Home / 212,633.42-293,434.10-117,140.10

Finding the Fourth Proportional to 212,633.42, 293,434.10 and 117,140.10

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Solution

The fourth proportional to 212,633.42, 293,434.10 and 117,140.10 is: 161,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,633.42 : 293,434.10 = 117,140.10 : x
  2. Step 2: Convert to fraction form
    212,633.42/293,434.10 = 117,140.10/x
  3. Step 3: Cross multiply
    212,633.42x = 293,434.10 × 117,140.10
  4. Step 4: Simplify right side
    212,633.42x = 34,372,899,231.71
  5. Step 5: Solve for x
    x = 34,372,899,231.71/212,633.42
  6. Step 6: Final answer
    x = 161,653.33

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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.