Home / 178,996.01-247,013.60-105,451.13

Finding the Fourth Proportional to 178,996.01, 247,013.60 and 105,451.13

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Solution

The fourth proportional to 178,996.01, 247,013.60 and 105,451.13 is: 145,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,996.01 : 247,013.60 = 105,451.13 : x
  2. Step 2: Convert to fraction form
    178,996.01/247,013.60 = 105,451.13/x
  3. Step 3: Cross multiply
    178,996.01x = 247,013.60 × 105,451.13
  4. Step 4: Simplify right side
    178,996.01x = 26,047,863,335.65
  5. Step 5: Solve for x
    x = 26,047,863,335.65/178,996.01
  6. Step 6: Final answer
    x = 145,522.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.