Home / 243,487.37-336,011.84-136,057.51

Finding the Fourth Proportional to 243,487.37, 336,011.84 and 136,057.51

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Solution

The fourth proportional to 243,487.37, 336,011.84 and 136,057.51 is: 187,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,487.37 : 336,011.84 = 136,057.51 : x
  2. Step 2: Convert to fraction form
    243,487.37/336,011.84 = 136,057.51/x
  3. Step 3: Cross multiply
    243,487.37x = 336,011.84 × 136,057.51
  4. Step 4: Simplify right side
    243,487.37x = 45,716,931,920.57
  5. Step 5: Solve for x
    x = 45,716,931,920.57/243,487.37
  6. Step 6: Final answer
    x = 187,758.95

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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.