Home / 258,097.32-356,184.27-143,384.58

Finding the Fourth Proportional to 258,097.32, 356,184.27 and 143,384.58

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Solution

The fourth proportional to 258,097.32, 356,184.27 and 143,384.58 is: 197,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,097.32 : 356,184.27 = 143,384.58 : x
  2. Step 2: Convert to fraction form
    258,097.32/356,184.27 = 143,384.58/x
  3. Step 3: Cross multiply
    258,097.32x = 356,184.27 × 143,384.58
  4. Step 4: Simplify right side
    258,097.32x = 51,071,331,956.56
  5. Step 5: Solve for x
    x = 51,071,331,956.56/258,097.32
  6. Step 6: Final answer
    x = 197,876.26

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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.