Home / 147,388.11-221,128.89-52,616.23

Finding the Fourth Proportional to 147,388.11, 221,128.89 and 52,616.23

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Solution

The fourth proportional to 147,388.11, 221,128.89 and 52,616.23 is: 78,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388.11 : 221,128.89 = 52,616.23 : x
  2. Step 2: Convert to fraction form
    147,388.11/221,128.89 = 52,616.23/x
  3. Step 3: Cross multiply
    147,388.11x = 221,128.89 × 52,616.23
  4. Step 4: Simplify right side
    147,388.11x = 11,634,969,029.60
  5. Step 5: Solve for x
    x = 11,634,969,029.60/147,388.11
  6. Step 6: Final answer
    x = 78,941.03

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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.