Home / 212,415.15-293,133-116,921.16

Finding the Fourth Proportional to 212,415.15, 293,133 and 116,921.16

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Solution

The fourth proportional to 212,415.15, 293,133 and 116,921.16 is: 161,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,415.15 : 293,133 = 116,921.16 : x
  2. Step 2: Convert to fraction form
    212,415.15/293,133 = 116,921.16/x
  3. Step 3: Cross multiply
    212,415.15x = 293,133 × 116,921.16
  4. Step 4: Simplify right side
    212,415.15x = 34,273,450,394.28
  5. Step 5: Solve for x
    x = 34,273,450,394.28/212,415.15
  6. Step 6: Final answer
    x = 161,351.25

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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.