Home / 243,826.38-336,493.47-136,390.01

Finding the Fourth Proportional to 243,826.38, 336,493.47 and 136,390.01

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Solution

The fourth proportional to 243,826.38, 336,493.47 and 136,390.01 is: 188,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,826.38 : 336,493.47 = 136,390.01 : x
  2. Step 2: Convert to fraction form
    243,826.38/336,493.47 = 136,390.01/x
  3. Step 3: Cross multiply
    243,826.38x = 336,493.47 × 136,390.01
  4. Step 4: Simplify right side
    243,826.38x = 45,894,346,055.77
  5. Step 5: Solve for x
    x = 45,894,346,055.77/243,826.38
  6. Step 6: Final answer
    x = 188,225.52

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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.