Home / 238,515.74-328,954.57-161,908.93

Finding the Fourth Proportional to 238,515.74, 328,954.57 and 161,908.93

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Solution

The fourth proportional to 238,515.74, 328,954.57 and 161,908.93 is: 223,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,515.74 : 328,954.57 = 161,908.93 : x
  2. Step 2: Convert to fraction form
    238,515.74/328,954.57 = 161,908.93/x
  3. Step 3: Cross multiply
    238,515.74x = 328,954.57 × 161,908.93
  4. Step 4: Simplify right side
    238,515.74x = 53,260,680,603.36
  5. Step 5: Solve for x
    x = 53,260,680,603.36/238,515.74
  6. Step 6: Final answer
    x = 223,300.49

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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.