Home / 212,607.64-293,397.18-117,112.12

Finding the Fourth Proportional to 212,607.64, 293,397.18 and 117,112.12

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Solution

The fourth proportional to 212,607.64, 293,397.18 and 117,112.12 is: 161,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,607.64 : 293,397.18 = 117,112.12 : x
  2. Step 2: Convert to fraction form
    212,607.64/293,397.18 = 117,112.12/x
  3. Step 3: Cross multiply
    212,607.64x = 293,397.18 × 117,112.12
  4. Step 4: Simplify right side
    212,607.64x = 34,360,365,751.82
  5. Step 5: Solve for x
    x = 34,360,365,751.82/212,607.64
  6. Step 6: Final answer
    x = 161,613.97

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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.