Home / 131,096.04-180,913.78-74,507.80

Finding the Fourth Proportional to 131,096.04, 180,913.78 and 74,507.80

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Solution

The fourth proportional to 131,096.04, 180,913.78 and 74,507.80 is: 102,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,096.04 : 180,913.78 = 74,507.80 : x
  2. Step 2: Convert to fraction form
    131,096.04/180,913.78 = 74,507.80/x
  3. Step 3: Cross multiply
    131,096.04x = 180,913.78 × 74,507.80
  4. Step 4: Simplify right side
    131,096.04x = 13,479,487,737.48
  5. Step 5: Solve for x
    x = 13,479,487,737.48/131,096.04
  6. Step 6: Final answer
    x = 102,821.47

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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.