Home / 212,825.61-293,693.85-117,330.66

Finding the Fourth Proportional to 212,825.61, 293,693.85 and 117,330.66

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Solution

The fourth proportional to 212,825.61, 293,693.85 and 117,330.66 is: 161,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,825.61 : 293,693.85 = 117,330.66 : x
  2. Step 2: Convert to fraction form
    212,825.61/293,693.85 = 117,330.66/x
  3. Step 3: Cross multiply
    212,825.61x = 293,693.85 × 117,330.66
  4. Step 4: Simplify right side
    212,825.61x = 34,459,293,258.44
  5. Step 5: Solve for x
    x = 34,459,293,258.44/212,825.61
  6. Step 6: Final answer
    x = 161,913.28

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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.