Home / 212,320.32-293,014.44-121,704.36

Finding the Fourth Proportional to 212,320.32, 293,014.44 and 121,704.36

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Solution

The fourth proportional to 212,320.32, 293,014.44 and 121,704.36 is: 167,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,320.32 : 293,014.44 = 121,704.36 : x
  2. Step 2: Convert to fraction form
    212,320.32/293,014.44 = 121,704.36/x
  3. Step 3: Cross multiply
    212,320.32x = 293,014.44 × 121,704.36
  4. Step 4: Simplify right side
    212,320.32x = 35,661,134,890.96
  5. Step 5: Solve for x
    x = 35,661,134,890.96/212,320.32
  6. Step 6: Final answer
    x = 167,959.12

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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.