Home / 178,627.19-268,006.21-128,763.59

Finding the Fourth Proportional to 178,627.19, 268,006.21 and 128,763.59

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Solution

The fourth proportional to 178,627.19, 268,006.21 and 128,763.59 is: 193,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,627.19 : 268,006.21 = 128,763.59 : x
  2. Step 2: Convert to fraction form
    178,627.19/268,006.21 = 128,763.59/x
  3. Step 3: Cross multiply
    178,627.19x = 268,006.21 × 128,763.59
  4. Step 4: Simplify right side
    178,627.19x = 34,509,440,079.95
  5. Step 5: Solve for x
    x = 34,509,440,079.95/178,627.19
  6. Step 6: Final answer
    x = 193,192.54

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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.