Home / 146,325.48-201,928.10-79,257

Finding the Fourth Proportional to 146,325.48, 201,928.10 and 79,257

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Solution

The fourth proportional to 146,325.48, 201,928.10 and 79,257 is: 109,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,325.48 : 201,928.10 = 79,257 : x
  2. Step 2: Convert to fraction form
    146,325.48/201,928.10 = 79,257/x
  3. Step 3: Cross multiply
    146,325.48x = 201,928.10 × 79,257
  4. Step 4: Simplify right side
    146,325.48x = 16,004,215,421.70
  5. Step 5: Solve for x
    x = 16,004,215,421.70/146,325.48
  6. Step 6: Final answer
    x = 109,374.08

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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.