Home / 147,680.10-221,192.10-127,997.10

Finding the Fourth Proportional to 147,680.10, 221,192.10 and 127,997.10

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Solution

The fourth proportional to 147,680.10, 221,192.10 and 127,997.10 is: 191,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,680.10 : 221,192.10 = 127,997.10 : x
  2. Step 2: Convert to fraction form
    147,680.10/221,192.10 = 127,997.10/x
  3. Step 3: Cross multiply
    147,680.10x = 221,192.10 × 127,997.10
  4. Step 4: Simplify right side
    147,680.10x = 28,311,947,342.91
  5. Step 5: Solve for x
    x = 28,311,947,342.91/147,680.10
  6. Step 6: Final answer
    x = 191,711.32

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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.