Home / 238,318.74-328,887.54-137,716.74

Finding the Fourth Proportional to 238,318.74, 328,887.54 and 137,716.74

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Solution

The fourth proportional to 238,318.74, 328,887.54 and 137,716.74 is: 190,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,318.74 : 328,887.54 = 137,716.74 : x
  2. Step 2: Convert to fraction form
    238,318.74/328,887.54 = 137,716.74/x
  3. Step 3: Cross multiply
    238,318.74x = 328,887.54 × 137,716.74
  4. Step 4: Simplify right side
    238,318.74x = 45,293,319,835.42
  5. Step 5: Solve for x
    x = 45,293,319,835.42/238,318.74
  6. Step 6: Final answer
    x = 190,053.54

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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.