Home / 179,328.72-269,197.20-90,682.32

Finding the Fourth Proportional to 179,328.72, 269,197.20 and 90,682.32

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Solution

The fourth proportional to 179,328.72, 269,197.20 and 90,682.32 is: 136,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,328.72 : 269,197.20 = 90,682.32 : x
  2. Step 2: Convert to fraction form
    179,328.72/269,197.20 = 90,682.32/x
  3. Step 3: Cross multiply
    179,328.72x = 269,197.20 × 90,682.32
  4. Step 4: Simplify right side
    179,328.72x = 24,411,426,633.50
  5. Step 5: Solve for x
    x = 24,411,426,633.50/179,328.72
  6. Step 6: Final answer
    x = 136,126.70

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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.