Home / 146,324.48-201,928-79,256.32

Finding the Fourth Proportional to 146,324.48, 201,928 and 79,256.32

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Solution

The fourth proportional to 146,324.48, 201,928 and 79,256.32 is: 109,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,324.48 : 201,928 = 79,256.32 : x
  2. Step 2: Convert to fraction form
    146,324.48/201,928 = 79,256.32/x
  3. Step 3: Cross multiply
    146,324.48x = 201,928 × 79,256.32
  4. Step 4: Simplify right side
    146,324.48x = 16,004,070,184.96
  5. Step 5: Solve for x
    x = 16,004,070,184.96/146,324.48
  6. Step 6: Final answer
    x = 109,373.84

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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.