Home / 158,928.40-238,366.40-52,313.75

Finding the Fourth Proportional to 158,928.40, 238,366.40 and 52,313.75

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Solution

The fourth proportional to 158,928.40, 238,366.40 and 52,313.75 is: 78,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,928.40 : 238,366.40 = 52,313.75 : x
  2. Step 2: Convert to fraction form
    158,928.40/238,366.40 = 52,313.75/x
  3. Step 3: Cross multiply
    158,928.40x = 238,366.40 × 52,313.75
  4. Step 4: Simplify right side
    158,928.40x = 12,469,840,258
  5. Step 5: Solve for x
    x = 12,469,840,258/158,928.40
  6. Step 6: Final answer
    x = 78,462.00

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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.