Home / 140,506.53-193,898.59-75,975.32

Finding the Fourth Proportional to 140,506.53, 193,898.59 and 75,975.32

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Solution

The fourth proportional to 140,506.53, 193,898.59 and 75,975.32 is: 104,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,506.53 : 193,898.59 = 75,975.32 : x
  2. Step 2: Convert to fraction form
    140,506.53/193,898.59 = 75,975.32/x
  3. Step 3: Cross multiply
    140,506.53x = 193,898.59 × 75,975.32
  4. Step 4: Simplify right side
    140,506.53x = 14,731,507,717.61
  5. Step 5: Solve for x
    x = 14,731,507,717.61/140,506.53
  6. Step 6: Final answer
    x = 104,845.72

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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.