Home / 178,148.28-245,783.60-101,612.38

Finding the Fourth Proportional to 178,148.28, 245,783.60 and 101,612.38

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Solution

The fourth proportional to 178,148.28, 245,783.60 and 101,612.38 is: 140,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,148.28 : 245,783.60 = 101,612.38 : x
  2. Step 2: Convert to fraction form
    178,148.28/245,783.60 = 101,612.38/x
  3. Step 3: Cross multiply
    178,148.28x = 245,783.60 × 101,612.38
  4. Step 4: Simplify right side
    178,148.28x = 24,974,656,560.97
  5. Step 5: Solve for x
    x = 24,974,656,560.97/178,148.28
  6. Step 6: Final answer
    x = 140,190.28

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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.