Home / 238,928.80-358,455.27-89,170.23

Finding the Fourth Proportional to 238,928.80, 358,455.27 and 89,170.23

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Solution

The fourth proportional to 238,928.80, 358,455.27 and 89,170.23 is: 133,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,928.80 : 358,455.27 = 89,170.23 : x
  2. Step 2: Convert to fraction form
    238,928.80/358,455.27 = 89,170.23/x
  3. Step 3: Cross multiply
    238,928.80x = 358,455.27 × 89,170.23
  4. Step 4: Simplify right side
    238,928.80x = 31,963,538,424.76
  5. Step 5: Solve for x
    x = 31,963,538,424.76/238,928.80
  6. Step 6: Final answer
    x = 133,778.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.