Home / 217,094.32-299,588.40-121,601.92

Finding the Fourth Proportional to 217,094.32, 299,588.40 and 121,601.92

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Solution

The fourth proportional to 217,094.32, 299,588.40 and 121,601.92 is: 167,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,094.32 : 299,588.40 = 121,601.92 : x
  2. Step 2: Convert to fraction form
    217,094.32/299,588.40 = 121,601.92/x
  3. Step 3: Cross multiply
    217,094.32x = 299,588.40 × 121,601.92
  4. Step 4: Simplify right side
    217,094.32x = 36,430,524,649.73
  5. Step 5: Solve for x
    x = 36,430,524,649.73/217,094.32
  6. Step 6: Final answer
    x = 167,809.66

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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.