Home / 238,257.81-328,825.39-136,269.12

Finding the Fourth Proportional to 238,257.81, 328,825.39 and 136,269.12

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Solution

The fourth proportional to 238,257.81, 328,825.39 and 136,269.12 is: 188,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,257.81 : 328,825.39 = 136,269.12 : x
  2. Step 2: Convert to fraction form
    238,257.81/328,825.39 = 136,269.12/x
  3. Step 3: Cross multiply
    238,257.81x = 328,825.39 × 136,269.12
  4. Step 4: Simplify right side
    238,257.81x = 44,808,745,847.61
  5. Step 5: Solve for x
    x = 44,808,745,847.61/238,257.81
  6. Step 6: Final answer
    x = 188,068.32

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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.