Home / 202,238.21-279,088.40-111,594.11

Finding the Fourth Proportional to 202,238.21, 279,088.40 and 111,594.11

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Solution

The fourth proportional to 202,238.21, 279,088.40 and 111,594.11 is: 153,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,238.21 : 279,088.40 = 111,594.11 : x
  2. Step 2: Convert to fraction form
    202,238.21/279,088.40 = 111,594.11/x
  3. Step 3: Cross multiply
    202,238.21x = 279,088.40 × 111,594.11
  4. Step 4: Simplify right side
    202,238.21x = 31,144,619,655.91
  5. Step 5: Solve for x
    x = 31,144,619,655.91/202,238.21
  6. Step 6: Final answer
    x = 153,999.68

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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.