Home / 212,904.70-293,798.60-122,196.82

Finding the Fourth Proportional to 212,904.70, 293,798.60 and 122,196.82

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Solution

The fourth proportional to 212,904.70, 293,798.60 and 122,196.82 is: 168,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,904.70 : 293,798.60 = 122,196.82 : x
  2. Step 2: Convert to fraction form
    212,904.70/293,798.60 = 122,196.82/x
  3. Step 3: Cross multiply
    212,904.70x = 293,798.60 × 122,196.82
  4. Step 4: Simplify right side
    212,904.70x = 35,901,254,625.84
  5. Step 5: Solve for x
    x = 35,901,254,625.84/212,904.70
  6. Step 6: Final answer
    x = 168,625.94

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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.