Home / 109,490.30-164,240.85-57,002.30

Finding the Fourth Proportional to 109,490.30, 164,240.85 and 57,002.30

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Solution

The fourth proportional to 109,490.30, 164,240.85 and 57,002.30 is: 85,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,490.30 : 164,240.85 = 57,002.30 : x
  2. Step 2: Convert to fraction form
    109,490.30/164,240.85 = 57,002.30/x
  3. Step 3: Cross multiply
    109,490.30x = 164,240.85 × 57,002.30
  4. Step 4: Simplify right side
    109,490.30x = 9,362,106,203.96
  5. Step 5: Solve for x
    x = 9,362,106,203.96/109,490.30
  6. Step 6: Final answer
    x = 85,506.26

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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.