Home / 212,558.72-293,344.29-117,065.39

Finding the Fourth Proportional to 212,558.72, 293,344.29 and 117,065.39

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Solution

The fourth proportional to 212,558.72, 293,344.29 and 117,065.39 is: 161,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,558.72 : 293,344.29 = 117,065.39 : x
  2. Step 2: Convert to fraction form
    212,558.72/293,344.29 = 117,065.39/x
  3. Step 3: Cross multiply
    212,558.72x = 293,344.29 × 117,065.39
  4. Step 4: Simplify right side
    212,558.72x = 34,340,461,661.07
  5. Step 5: Solve for x
    x = 34,340,461,661.07/212,558.72
  6. Step 6: Final answer
    x = 161,557.53

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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.