Home / 202,721.46-279,742.59-112,060.59

Finding the Fourth Proportional to 202,721.46, 279,742.59 and 112,060.59

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Solution

The fourth proportional to 202,721.46, 279,742.59 and 112,060.59 is: 154,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,721.46 : 279,742.59 = 112,060.59 : x
  2. Step 2: Convert to fraction form
    202,721.46/279,742.59 = 112,060.59/x
  3. Step 3: Cross multiply
    202,721.46x = 279,742.59 × 112,060.59
  4. Step 4: Simplify right side
    202,721.46x = 31,348,119,683.53
  5. Step 5: Solve for x
    x = 31,348,119,683.53/202,721.46
  6. Step 6: Final answer
    x = 154,636.41

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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.